Home / 8,722.08-13,081.68-7,250.76

Finding the Fourth Proportional to 8,722.08, 13,081.68 and 7,250.76

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Solution

The fourth proportional to 8,722.08, 13,081.68 and 7,250.76 is: 10,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.08 : 13,081.68 = 7,250.76 : x
  2. Step 2: Convert to fraction form
    8,722.08/13,081.68 = 7,250.76/x
  3. Step 3: Cross multiply
    8,722.08x = 13,081.68 × 7,250.76
  4. Step 4: Simplify right side
    8,722.08x = 94,852,122.08
  5. Step 5: Solve for x
    x = 94,852,122.08/8,722.08
  6. Step 6: Final answer
    x = 10,874.94

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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.