Home / 5,801.28-8,007.84-3,318.72

Finding the Fourth Proportional to 5,801.28, 8,007.84 and 3,318.72

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Solution

The fourth proportional to 5,801.28, 8,007.84 and 3,318.72 is: 4,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.28 : 8,007.84 = 3,318.72 : x
  2. Step 2: Convert to fraction form
    5,801.28/8,007.84 = 3,318.72/x
  3. Step 3: Cross multiply
    5,801.28x = 8,007.84 × 3,318.72
  4. Step 4: Simplify right side
    5,801.28x = 26,575,778.76
  5. Step 5: Solve for x
    x = 26,575,778.76/5,801.28
  6. Step 6: Final answer
    x = 4,581.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.