Home / 7,130.10-10,691.29-3,232.38

Finding the Fourth Proportional to 7,130.10, 10,691.29 and 3,232.38

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Solution

The fourth proportional to 7,130.10, 10,691.29 and 3,232.38 is: 4,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.10 : 10,691.29 = 3,232.38 : x
  2. Step 2: Convert to fraction form
    7,130.10/10,691.29 = 3,232.38/x
  3. Step 3: Cross multiply
    7,130.10x = 10,691.29 × 3,232.38
  4. Step 4: Simplify right side
    7,130.10x = 34,558,311.97
  5. Step 5: Solve for x
    x = 34,558,311.97/7,130.10
  6. Step 6: Final answer
    x = 4,846.82

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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.