Home / 9,001.62-13,502.41-3,159.90

Finding the Fourth Proportional to 9,001.62, 13,502.41 and 3,159.90

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Solution

The fourth proportional to 9,001.62, 13,502.41 and 3,159.90 is: 4,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.62 : 13,502.41 = 3,159.90 : x
  2. Step 2: Convert to fraction form
    9,001.62/13,502.41 = 3,159.90/x
  3. Step 3: Cross multiply
    9,001.62x = 13,502.41 × 3,159.90
  4. Step 4: Simplify right side
    9,001.62x = 42,666,265.36
  5. Step 5: Solve for x
    x = 42,666,265.36/9,001.62
  6. Step 6: Final answer
    x = 4,739.84

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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.