Home / 7,248.20-10,872.29-1,776.20

Finding the Fourth Proportional to 7,248.20, 10,872.29 and 1,776.20

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Solution

The fourth proportional to 7,248.20, 10,872.29 and 1,776.20 is: 2,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.20 : 10,872.29 = 1,776.20 : x
  2. Step 2: Convert to fraction form
    7,248.20/10,872.29 = 1,776.20/x
  3. Step 3: Cross multiply
    7,248.20x = 10,872.29 × 1,776.20
  4. Step 4: Simplify right side
    7,248.20x = 19,311,298.26
  5. Step 5: Solve for x
    x = 19,311,298.26/7,248.20
  6. Step 6: Final answer
    x = 2,664.29

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Similar ratio
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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.