Home / 8,108.41-11,189.52-4,572.76

Finding the Fourth Proportional to 8,108.41, 11,189.52 and 4,572.76

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Solution

The fourth proportional to 8,108.41, 11,189.52 and 4,572.76 is: 6,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.41 : 11,189.52 = 4,572.76 : x
  2. Step 2: Convert to fraction form
    8,108.41/11,189.52 = 4,572.76/x
  3. Step 3: Cross multiply
    8,108.41x = 11,189.52 × 4,572.76
  4. Step 4: Simplify right side
    8,108.41x = 51,166,989.48
  5. Step 5: Solve for x
    x = 51,166,989.48/8,108.41
  6. Step 6: Final answer
    x = 6,310.36

Related Problems

Find fourth proportional to 4,054.21, 5,594.76 and 2,286.38
Half scale
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Double scale
Find fourth proportional to 8,109.41, 11,190.90 and 4,573.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.