Home / 5,377.28-8,060.08-2,089.40

Finding the Fourth Proportional to 5,377.28, 8,060.08 and 2,089.40

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Solution

The fourth proportional to 5,377.28, 8,060.08 and 2,089.40 is: 3,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.28 : 8,060.08 = 2,089.40 : x
  2. Step 2: Convert to fraction form
    5,377.28/8,060.08 = 2,089.40/x
  3. Step 3: Cross multiply
    5,377.28x = 8,060.08 × 2,089.40
  4. Step 4: Simplify right side
    5,377.28x = 16,840,731.15
  5. Step 5: Solve for x
    x = 16,840,731.15/5,377.28
  6. Step 6: Final answer
    x = 3,131.83

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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.