Home / 8,711.32-13,067.69-5,225.12

Finding the Fourth Proportional to 8,711.32, 13,067.69 and 5,225.12

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Solution

The fourth proportional to 8,711.32, 13,067.69 and 5,225.12 is: 7,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.32 : 13,067.69 = 5,225.12 : x
  2. Step 2: Convert to fraction form
    8,711.32/13,067.69 = 5,225.12/x
  3. Step 3: Cross multiply
    8,711.32x = 13,067.69 × 5,225.12
  4. Step 4: Simplify right side
    8,711.32x = 68,280,248.37
  5. Step 5: Solve for x
    x = 68,280,248.37/8,711.32
  6. Step 6: Final answer
    x = 7,838.11

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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.