Home / 6,887.80-9,499.52-4,234.24

Finding the Fourth Proportional to 6,887.80, 9,499.52 and 4,234.24

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Solution

The fourth proportional to 6,887.80, 9,499.52 and 4,234.24 is: 5,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.80 : 9,499.52 = 4,234.24 : x
  2. Step 2: Convert to fraction form
    6,887.80/9,499.52 = 4,234.24/x
  3. Step 3: Cross multiply
    6,887.80x = 9,499.52 × 4,234.24
  4. Step 4: Simplify right side
    6,887.80x = 40,223,247.56
  5. Step 5: Solve for x
    x = 40,223,247.56/6,887.80
  6. Step 6: Final answer
    x = 5,839.78

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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.