Home / 5,681.68-8,522.56-1,577.68

Finding the Fourth Proportional to 5,681.68, 8,522.56 and 1,577.68

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Solution

The fourth proportional to 5,681.68, 8,522.56 and 1,577.68 is: 2,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.68 : 8,522.56 = 1,577.68 : x
  2. Step 2: Convert to fraction form
    5,681.68/8,522.56 = 1,577.68/x
  3. Step 3: Cross multiply
    5,681.68x = 8,522.56 × 1,577.68
  4. Step 4: Simplify right side
    5,681.68x = 13,445,872.46
  5. Step 5: Solve for x
    x = 13,445,872.46/5,681.68
  6. Step 6: Final answer
    x = 2,366.53

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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.