Home / 8,089.56-12,134.34-2,543.76

Finding the Fourth Proportional to 8,089.56, 12,134.34 and 2,543.76

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Solution

The fourth proportional to 8,089.56, 12,134.34 and 2,543.76 is: 3,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,089.56 : 12,134.34 = 2,543.76 : x
  2. Step 2: Convert to fraction form
    8,089.56/12,134.34 = 2,543.76/x
  3. Step 3: Cross multiply
    8,089.56x = 12,134.34 × 2,543.76
  4. Step 4: Simplify right side
    8,089.56x = 30,866,848.72
  5. Step 5: Solve for x
    x = 30,866,848.72/8,089.56
  6. Step 6: Final answer
    x = 3,815.64

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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.