Home / 5,251.16-7,876.20-2,477.12

Finding the Fourth Proportional to 5,251.16, 7,876.20 and 2,477.12

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Solution

The fourth proportional to 5,251.16, 7,876.20 and 2,477.12 is: 3,715.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.16 : 7,876.20 = 2,477.12 : x
  2. Step 2: Convert to fraction form
    5,251.16/7,876.20 = 2,477.12/x
  3. Step 3: Cross multiply
    5,251.16x = 7,876.20 × 2,477.12
  4. Step 4: Simplify right side
    5,251.16x = 19,510,292.54
  5. Step 5: Solve for x
    x = 19,510,292.54/5,251.16
  6. Step 6: Final answer
    x = 3,715.43

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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.