Home / 5,320.91-7,343.13-3,082.40

Finding the Fourth Proportional to 5,320.91, 7,343.13 and 3,082.40

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Solution

The fourth proportional to 5,320.91, 7,343.13 and 3,082.40 is: 4,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.91 : 7,343.13 = 3,082.40 : x
  2. Step 2: Convert to fraction form
    5,320.91/7,343.13 = 3,082.40/x
  3. Step 3: Cross multiply
    5,320.91x = 7,343.13 × 3,082.40
  4. Step 4: Simplify right side
    5,320.91x = 22,634,463.91
  5. Step 5: Solve for x
    x = 22,634,463.91/5,320.91
  6. Step 6: Final answer
    x = 4,253.87

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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.