Home / 5,006.40-7,505.28-2,405.76

Finding the Fourth Proportional to 5,006.40, 7,505.28 and 2,405.76

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Solution

The fourth proportional to 5,006.40, 7,505.28 and 2,405.76 is: 3,606.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.40 : 7,505.28 = 2,405.76 : x
  2. Step 2: Convert to fraction form
    5,006.40/7,505.28 = 2,405.76/x
  3. Step 3: Cross multiply
    5,006.40x = 7,505.28 × 2,405.76
  4. Step 4: Simplify right side
    5,006.40x = 18,055,902.41
  5. Step 5: Solve for x
    x = 18,055,902.41/5,006.40
  6. Step 6: Final answer
    x = 3,606.56

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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.