Home / 5,473.18-8,209.78-1,577.90

Finding the Fourth Proportional to 5,473.18, 8,209.78 and 1,577.90

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Solution

The fourth proportional to 5,473.18, 8,209.78 and 1,577.90 is: 2,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,473.18 : 8,209.78 = 1,577.90 : x
  2. Step 2: Convert to fraction form
    5,473.18/8,209.78 = 1,577.90/x
  3. Step 3: Cross multiply
    5,473.18x = 8,209.78 × 1,577.90
  4. Step 4: Simplify right side
    5,473.18x = 12,954,211.86
  5. Step 5: Solve for x
    x = 12,954,211.86/5,473.18
  6. Step 6: Final answer
    x = 2,366.85

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1.5x scale

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.