Home / 7,248.20-10,872.32-3,087.42

Finding the Fourth Proportional to 7,248.20, 10,872.32 and 3,087.42

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Solution

The fourth proportional to 7,248.20, 10,872.32 and 3,087.42 is: 4,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.20 : 10,872.32 = 3,087.42 : x
  2. Step 2: Convert to fraction form
    7,248.20/10,872.32 = 3,087.42/x
  3. Step 3: Cross multiply
    7,248.20x = 10,872.32 × 3,087.42
  4. Step 4: Simplify right side
    7,248.20x = 33,567,418.21
  5. Step 5: Solve for x
    x = 33,567,418.21/7,248.20
  6. Step 6: Final answer
    x = 4,631.14

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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.