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Finding the Fourth Proportional to 7,150, 9,864.84 and 4,500.04

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Solution

The fourth proportional to 7,150, 9,864.84 and 4,500.04 is: 6,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150 : 9,864.84 = 4,500.04 : x
  2. Step 2: Convert to fraction form
    7,150/9,864.84 = 4,500.04/x
  3. Step 3: Cross multiply
    7,150x = 9,864.84 × 4,500.04
  4. Step 4: Simplify right side
    7,150x = 44,392,174.59
  5. Step 5: Solve for x
    x = 44,392,174.59/7,150
  6. Step 6: Final answer
    x = 6,208.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.