Home / 9,103.24-13,655.04-3,909.16

Finding the Fourth Proportional to 9,103.24, 13,655.04 and 3,909.16

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Solution

The fourth proportional to 9,103.24, 13,655.04 and 3,909.16 is: 5,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.24 : 13,655.04 = 3,909.16 : x
  2. Step 2: Convert to fraction form
    9,103.24/13,655.04 = 3,909.16/x
  3. Step 3: Cross multiply
    9,103.24x = 13,655.04 × 3,909.16
  4. Step 4: Simplify right side
    9,103.24x = 53,379,736.17
  5. Step 5: Solve for x
    x = 53,379,736.17/9,103.24
  6. Step 6: Final answer
    x = 5,863.82

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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.