Home / 6,343.32-8,756.24-5,679.02

Finding the Fourth Proportional to 6,343.32, 8,756.24 and 5,679.02

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Solution

The fourth proportional to 6,343.32, 8,756.24 and 5,679.02 is: 7,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.32 : 8,756.24 = 5,679.02 : x
  2. Step 2: Convert to fraction form
    6,343.32/8,756.24 = 5,679.02/x
  3. Step 3: Cross multiply
    6,343.32x = 8,756.24 × 5,679.02
  4. Step 4: Simplify right side
    6,343.32x = 49,726,789.91
  5. Step 5: Solve for x
    x = 49,726,789.91/6,343.32
  6. Step 6: Final answer
    x = 7,839.24

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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.