Home / 6,613.90-9,127.77-3,630.31

Finding the Fourth Proportional to 6,613.90, 9,127.77 and 3,630.31

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Solution

The fourth proportional to 6,613.90, 9,127.77 and 3,630.31 is: 5,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.90 : 9,127.77 = 3,630.31 : x
  2. Step 2: Convert to fraction form
    6,613.90/9,127.77 = 3,630.31/x
  3. Step 3: Cross multiply
    6,613.90x = 9,127.77 × 3,630.31
  4. Step 4: Simplify right side
    6,613.90x = 33,136,634.71
  5. Step 5: Solve for x
    x = 33,136,634.71/6,613.90
  6. Step 6: Final answer
    x = 5,010.15

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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.