Home / 8,942.28-12,358.62-6,950.76

Finding the Fourth Proportional to 8,942.28, 12,358.62 and 6,950.76

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Solution

The fourth proportional to 8,942.28, 12,358.62 and 6,950.76 is: 9,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.28 : 12,358.62 = 6,950.76 : x
  2. Step 2: Convert to fraction form
    8,942.28/12,358.62 = 6,950.76/x
  3. Step 3: Cross multiply
    8,942.28x = 12,358.62 × 6,950.76
  4. Step 4: Simplify right side
    8,942.28x = 85,901,801.55
  5. Step 5: Solve for x
    x = 85,901,801.55/8,942.28
  6. Step 6: Final answer
    x = 9,606.25

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Half scale
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Double scale
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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.