Home / 8,130.69-11,220.27-4,593.87

Finding the Fourth Proportional to 8,130.69, 11,220.27 and 4,593.87

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Solution

The fourth proportional to 8,130.69, 11,220.27 and 4,593.87 is: 6,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.69 : 11,220.27 = 4,593.87 : x
  2. Step 2: Convert to fraction form
    8,130.69/11,220.27 = 4,593.87/x
  3. Step 3: Cross multiply
    8,130.69x = 11,220.27 × 4,593.87
  4. Step 4: Simplify right side
    8,130.69x = 51,544,461.74
  5. Step 5: Solve for x
    x = 51,544,461.74/8,130.69
  6. Step 6: Final answer
    x = 6,339.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 8,131.69, 11,221.65 and 4,594.87
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.