Home / 7,136.29-9,851.39-4,151.04

Finding the Fourth Proportional to 7,136.29, 9,851.39 and 4,151.04

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Solution

The fourth proportional to 7,136.29, 9,851.39 and 4,151.04 is: 5,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.29 : 9,851.39 = 4,151.04 : x
  2. Step 2: Convert to fraction form
    7,136.29/9,851.39 = 4,151.04/x
  3. Step 3: Cross multiply
    7,136.29x = 9,851.39 × 4,151.04
  4. Step 4: Simplify right side
    7,136.29x = 40,893,513.95
  5. Step 5: Solve for x
    x = 40,893,513.95/7,136.29
  6. Step 6: Final answer
    x = 5,730.36

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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.