Home / 5,199.68-7,799.76-1,304.12

Finding the Fourth Proportional to 5,199.68, 7,799.76 and 1,304.12

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Solution

The fourth proportional to 5,199.68, 7,799.76 and 1,304.12 is: 1,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.68 : 7,799.76 = 1,304.12 : x
  2. Step 2: Convert to fraction form
    5,199.68/7,799.76 = 1,304.12/x
  3. Step 3: Cross multiply
    5,199.68x = 7,799.76 × 1,304.12
  4. Step 4: Simplify right side
    5,199.68x = 10,171,823.01
  5. Step 5: Solve for x
    x = 10,171,823.01/5,199.68
  6. Step 6: Final answer
    x = 1,956.24

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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.