Home / 4,557.20-6,827.70-3,909.20

Finding the Fourth Proportional to 4,557.20, 6,827.70 and 3,909.20

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Solution

The fourth proportional to 4,557.20, 6,827.70 and 3,909.20 is: 5,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.20 : 6,827.70 = 3,909.20 : x
  2. Step 2: Convert to fraction form
    4,557.20/6,827.70 = 3,909.20/x
  3. Step 3: Cross multiply
    4,557.20x = 6,827.70 × 3,909.20
  4. Step 4: Simplify right side
    4,557.20x = 26,690,844.84
  5. Step 5: Solve for x
    x = 26,690,844.84/4,557.20
  6. Step 6: Final answer
    x = 5,856.85

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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.