Home / 7,251.72-10,875.88-3,550.20

Finding the Fourth Proportional to 7,251.72, 10,875.88 and 3,550.20

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Solution

The fourth proportional to 7,251.72, 10,875.88 and 3,550.20 is: 5,324.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.72 : 10,875.88 = 3,550.20 : x
  2. Step 2: Convert to fraction form
    7,251.72/10,875.88 = 3,550.20/x
  3. Step 3: Cross multiply
    7,251.72x = 10,875.88 × 3,550.20
  4. Step 4: Simplify right side
    7,251.72x = 38,611,549.18
  5. Step 5: Solve for x
    x = 38,611,549.18/7,251.72
  6. Step 6: Final answer
    x = 5,324.47

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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.