Home / 8,904.72-13,329.12-6,115.08

Finding the Fourth Proportional to 8,904.72, 13,329.12 and 6,115.08

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Solution

The fourth proportional to 8,904.72, 13,329.12 and 6,115.08 is: 9,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.72 : 13,329.12 = 6,115.08 : x
  2. Step 2: Convert to fraction form
    8,904.72/13,329.12 = 6,115.08/x
  3. Step 3: Cross multiply
    8,904.72x = 13,329.12 × 6,115.08
  4. Step 4: Simplify right side
    8,904.72x = 81,508,635.13
  5. Step 5: Solve for x
    x = 81,508,635.13/8,904.72
  6. Step 6: Final answer
    x = 9,153.42

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1.5x scale

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.