Home / 7,248.30-10,872.45-6,384.30

Finding the Fourth Proportional to 7,248.30, 10,872.45 and 6,384.30

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Solution

The fourth proportional to 7,248.30, 10,872.45 and 6,384.30 is: 9,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.30 : 10,872.45 = 6,384.30 : x
  2. Step 2: Convert to fraction form
    7,248.30/10,872.45 = 6,384.30/x
  3. Step 3: Cross multiply
    7,248.30x = 10,872.45 × 6,384.30
  4. Step 4: Simplify right side
    7,248.30x = 69,412,982.54
  5. Step 5: Solve for x
    x = 69,412,982.54/7,248.30
  6. Step 6: Final answer
    x = 9,576.45

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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.