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Finding the Fourth Proportional to 7,289.53, 10,937.04 and 2,910.04

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Solution

The fourth proportional to 7,289.53, 10,937.04 and 2,910.04 is: 4,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.53 : 10,937.04 = 2,910.04 : x
  2. Step 2: Convert to fraction form
    7,289.53/10,937.04 = 2,910.04/x
  3. Step 3: Cross multiply
    7,289.53x = 10,937.04 × 2,910.04
  4. Step 4: Simplify right side
    7,289.53x = 31,827,223.88
  5. Step 5: Solve for x
    x = 31,827,223.88/7,289.53
  6. Step 6: Final answer
    x = 4,366.16

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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.