Home / 5,134.28-7,702.83-2,670.80

Finding the Fourth Proportional to 5,134.28, 7,702.83 and 2,670.80

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Solution

The fourth proportional to 5,134.28, 7,702.83 and 2,670.80 is: 4,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.28 : 7,702.83 = 2,670.80 : x
  2. Step 2: Convert to fraction form
    5,134.28/7,702.83 = 2,670.80/x
  3. Step 3: Cross multiply
    5,134.28x = 7,702.83 × 2,670.80
  4. Step 4: Simplify right side
    5,134.28x = 20,572,679.85
  5. Step 5: Solve for x
    x = 20,572,679.85/5,134.28
  6. Step 6: Final answer
    x = 4,006.93

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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.