Home / 8,346.28-11,517.47-4,989.41

Finding the Fourth Proportional to 8,346.28, 11,517.47 and 4,989.41

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Solution

The fourth proportional to 8,346.28, 11,517.47 and 4,989.41 is: 6,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.28 : 11,517.47 = 4,989.41 : x
  2. Step 2: Convert to fraction form
    8,346.28/11,517.47 = 4,989.41/x
  3. Step 3: Cross multiply
    8,346.28x = 11,517.47 × 4,989.41
  4. Step 4: Simplify right side
    8,346.28x = 57,465,379.99
  5. Step 5: Solve for x
    x = 57,465,379.99/8,346.28
  6. Step 6: Final answer
    x = 6,885.15

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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.