Home / 5,895.60-8,139.29-3,908.85

Finding the Fourth Proportional to 5,895.60, 8,139.29 and 3,908.85

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Solution

The fourth proportional to 5,895.60, 8,139.29 and 3,908.85 is: 5,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.60 : 8,139.29 = 3,908.85 : x
  2. Step 2: Convert to fraction form
    5,895.60/8,139.29 = 3,908.85/x
  3. Step 3: Cross multiply
    5,895.60x = 8,139.29 × 3,908.85
  4. Step 4: Simplify right side
    5,895.60x = 31,815,235.64
  5. Step 5: Solve for x
    x = 31,815,235.64/5,895.60
  6. Step 6: Final answer
    x = 5,396.44

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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.