Home / 5,373.02-8,061.84-2,777.78

Finding the Fourth Proportional to 5,373.02, 8,061.84 and 2,777.78

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Solution

The fourth proportional to 5,373.02, 8,061.84 and 2,777.78 is: 4,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.02 : 8,061.84 = 2,777.78 : x
  2. Step 2: Convert to fraction form
    5,373.02/8,061.84 = 2,777.78/x
  3. Step 3: Cross multiply
    5,373.02x = 8,061.84 × 2,777.78
  4. Step 4: Simplify right side
    5,373.02x = 22,394,017.92
  5. Step 5: Solve for x
    x = 22,394,017.92/5,373.02
  6. Step 6: Final answer
    x = 4,167.86

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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.