Home / 6,342.12-9,519.66-3,845.70

Finding the Fourth Proportional to 6,342.12, 9,519.66 and 3,845.70

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Solution

The fourth proportional to 6,342.12, 9,519.66 and 3,845.70 is: 5,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.12 : 9,519.66 = 3,845.70 : x
  2. Step 2: Convert to fraction form
    6,342.12/9,519.66 = 3,845.70/x
  3. Step 3: Cross multiply
    6,342.12x = 9,519.66 × 3,845.70
  4. Step 4: Simplify right side
    6,342.12x = 36,609,756.46
  5. Step 5: Solve for x
    x = 36,609,756.46/6,342.12
  6. Step 6: Final answer
    x = 5,772.48

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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.