Home / 7,385.66-10,187-4,399.18

Finding the Fourth Proportional to 7,385.66, 10,187 and 4,399.18

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Solution

The fourth proportional to 7,385.66, 10,187 and 4,399.18 is: 6,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.66 : 10,187 = 4,399.18 : x
  2. Step 2: Convert to fraction form
    7,385.66/10,187 = 4,399.18/x
  3. Step 3: Cross multiply
    7,385.66x = 10,187 × 4,399.18
  4. Step 4: Simplify right side
    7,385.66x = 44,814,446.66
  5. Step 5: Solve for x
    x = 44,814,446.66/7,385.66
  6. Step 6: Final answer
    x = 6,067.76

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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.