Home / 5,611.52-8,417.28-3,142.64

Finding the Fourth Proportional to 5,611.52, 8,417.28 and 3,142.64

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Solution

The fourth proportional to 5,611.52, 8,417.28 and 3,142.64 is: 4,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.52 : 8,417.28 = 3,142.64 : x
  2. Step 2: Convert to fraction form
    5,611.52/8,417.28 = 3,142.64/x
  3. Step 3: Cross multiply
    5,611.52x = 8,417.28 × 3,142.64
  4. Step 4: Simplify right side
    5,611.52x = 26,452,480.82
  5. Step 5: Solve for x
    x = 26,452,480.82/5,611.52
  6. Step 6: Final answer
    x = 4,713.96

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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.