Home / 6,687.28-10,012.38-4,349.98

Finding the Fourth Proportional to 6,687.28, 10,012.38 and 4,349.98

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Solution

The fourth proportional to 6,687.28, 10,012.38 and 4,349.98 is: 6,512.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.28 : 10,012.38 = 4,349.98 : x
  2. Step 2: Convert to fraction form
    6,687.28/10,012.38 = 4,349.98/x
  3. Step 3: Cross multiply
    6,687.28x = 10,012.38 × 4,349.98
  4. Step 4: Simplify right side
    6,687.28x = 43,553,652.75
  5. Step 5: Solve for x
    x = 43,553,652.75/6,687.28
  6. Step 6: Final answer
    x = 6,512.91

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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.