Home / 7,331.58-10,104.02-5,207.21

Finding the Fourth Proportional to 7,331.58, 10,104.02 and 5,207.21

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Solution

The fourth proportional to 7,331.58, 10,104.02 and 5,207.21 is: 7,176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.58 : 10,104.02 = 5,207.21 : x
  2. Step 2: Convert to fraction form
    7,331.58/10,104.02 = 5,207.21/x
  3. Step 3: Cross multiply
    7,331.58x = 10,104.02 × 5,207.21
  4. Step 4: Simplify right side
    7,331.58x = 52,613,677.43
  5. Step 5: Solve for x
    x = 52,613,677.43/7,331.58
  6. Step 6: Final answer
    x = 7,176.31

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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.