Home / 6,613.40-9,126.47-3,629.29

Finding the Fourth Proportional to 6,613.40, 9,126.47 and 3,629.29

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Solution

The fourth proportional to 6,613.40, 9,126.47 and 3,629.29 is: 5,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.40 : 9,126.47 = 3,629.29 : x
  2. Step 2: Convert to fraction form
    6,613.40/9,126.47 = 3,629.29/x
  3. Step 3: Cross multiply
    6,613.40x = 9,126.47 × 3,629.29
  4. Step 4: Simplify right side
    6,613.40x = 33,122,578.95
  5. Step 5: Solve for x
    x = 33,122,578.95/6,613.40
  6. Step 6: Final answer
    x = 5,008.40

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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.