Home / 7,388.27-11,082.40-2,457.90

Finding the Fourth Proportional to 7,388.27, 11,082.40 and 2,457.90

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Solution

The fourth proportional to 7,388.27, 11,082.40 and 2,457.90 is: 3,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.27 : 11,082.40 = 2,457.90 : x
  2. Step 2: Convert to fraction form
    7,388.27/11,082.40 = 2,457.90/x
  3. Step 3: Cross multiply
    7,388.27x = 11,082.40 × 2,457.90
  4. Step 4: Simplify right side
    7,388.27x = 27,239,434.03
  5. Step 5: Solve for x
    x = 27,239,434.03/7,388.27
  6. Step 6: Final answer
    x = 3,686.85

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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.