Home / 8,108.80-11,191.36-4,572.32

Finding the Fourth Proportional to 8,108.80, 11,191.36 and 4,572.32

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Solution

The fourth proportional to 8,108.80, 11,191.36 and 4,572.32 is: 6,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.80 : 11,191.36 = 4,572.32 : x
  2. Step 2: Convert to fraction form
    8,108.80/11,191.36 = 4,572.32/x
  3. Step 3: Cross multiply
    8,108.80x = 11,191.36 × 4,572.32
  4. Step 4: Simplify right side
    8,108.80x = 51,170,479.16
  5. Step 5: Solve for x
    x = 51,170,479.16/8,108.80
  6. Step 6: Final answer
    x = 6,310.49

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Double scale
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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.