Home / 5,577.66-8,368.11-3,400.38

Finding the Fourth Proportional to 5,577.66, 8,368.11 and 3,400.38

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Solution

The fourth proportional to 5,577.66, 8,368.11 and 3,400.38 is: 5,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.66 : 8,368.11 = 3,400.38 : x
  2. Step 2: Convert to fraction form
    5,577.66/8,368.11 = 3,400.38/x
  3. Step 3: Cross multiply
    5,577.66x = 8,368.11 × 3,400.38
  4. Step 4: Simplify right side
    5,577.66x = 28,454,753.88
  5. Step 5: Solve for x
    x = 28,454,753.88/5,577.66
  6. Step 6: Final answer
    x = 5,101.56

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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.