Home / 5,166.02-7,130.24-3,397.80

Finding the Fourth Proportional to 5,166.02, 7,130.24 and 3,397.80

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Solution

The fourth proportional to 5,166.02, 7,130.24 and 3,397.80 is: 4,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.02 : 7,130.24 = 3,397.80 : x
  2. Step 2: Convert to fraction form
    5,166.02/7,130.24 = 3,397.80/x
  3. Step 3: Cross multiply
    5,166.02x = 7,130.24 × 3,397.80
  4. Step 4: Simplify right side
    5,166.02x = 24,227,129.47
  5. Step 5: Solve for x
    x = 24,227,129.47/5,166.02
  6. Step 6: Final answer
    x = 4,689.71

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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.