Home / 7,151.30-10,729.38-6,461.18

Finding the Fourth Proportional to 7,151.30, 10,729.38 and 6,461.18

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Solution

The fourth proportional to 7,151.30, 10,729.38 and 6,461.18 is: 9,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.30 : 10,729.38 = 6,461.18 : x
  2. Step 2: Convert to fraction form
    7,151.30/10,729.38 = 6,461.18/x
  3. Step 3: Cross multiply
    7,151.30x = 10,729.38 × 6,461.18
  4. Step 4: Simplify right side
    7,151.30x = 69,324,455.47
  5. Step 5: Solve for x
    x = 69,324,455.47/7,151.30
  6. Step 6: Final answer
    x = 9,693.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.