Home / 7,251.45-10,874.85-2,319.92

Finding the Fourth Proportional to 7,251.45, 10,874.85 and 2,319.92

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Solution

The fourth proportional to 7,251.45, 10,874.85 and 2,319.92 is: 3,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.45 : 10,874.85 = 2,319.92 : x
  2. Step 2: Convert to fraction form
    7,251.45/10,874.85 = 2,319.92/x
  3. Step 3: Cross multiply
    7,251.45x = 10,874.85 × 2,319.92
  4. Step 4: Simplify right side
    7,251.45x = 25,228,727.64
  5. Step 5: Solve for x
    x = 25,228,727.64/7,251.45
  6. Step 6: Final answer
    x = 3,479.13

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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.