Home / 7,487.41-11,232.23-2,419.91

Finding the Fourth Proportional to 7,487.41, 11,232.23 and 2,419.91

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Solution

The fourth proportional to 7,487.41, 11,232.23 and 2,419.91 is: 3,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.41 : 11,232.23 = 2,419.91 : x
  2. Step 2: Convert to fraction form
    7,487.41/11,232.23 = 2,419.91/x
  3. Step 3: Cross multiply
    7,487.41x = 11,232.23 × 2,419.91
  4. Step 4: Simplify right side
    7,487.41x = 27,180,948.39
  5. Step 5: Solve for x
    x = 27,180,948.39/7,487.41
  6. Step 6: Final answer
    x = 3,630.22

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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.