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Finding the Fourth Proportional to 7,347.53, 11,013 and 3,652.40

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Solution

The fourth proportional to 7,347.53, 11,013 and 3,652.40 is: 5,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.53 : 11,013 = 3,652.40 : x
  2. Step 2: Convert to fraction form
    7,347.53/11,013 = 3,652.40/x
  3. Step 3: Cross multiply
    7,347.53x = 11,013 × 3,652.40
  4. Step 4: Simplify right side
    7,347.53x = 40,223,881.20
  5. Step 5: Solve for x
    x = 40,223,881.20/7,347.53
  6. Step 6: Final answer
    x = 5,474.48

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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.