Home / 5,251.04-7,876.32-1,553.36

Finding the Fourth Proportional to 5,251.04, 7,876.32 and 1,553.36

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Solution

The fourth proportional to 5,251.04, 7,876.32 and 1,553.36 is: 2,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.04 : 7,876.32 = 1,553.36 : x
  2. Step 2: Convert to fraction form
    5,251.04/7,876.32 = 1,553.36/x
  3. Step 3: Cross multiply
    5,251.04x = 7,876.32 × 1,553.36
  4. Step 4: Simplify right side
    5,251.04x = 12,234,760.44
  5. Step 5: Solve for x
    x = 12,234,760.44/5,251.04
  6. Step 6: Final answer
    x = 2,329.97

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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.