Home / 8,242.38-11,372.47-4,885.99

Finding the Fourth Proportional to 8,242.38, 11,372.47 and 4,885.99

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Solution

The fourth proportional to 8,242.38, 11,372.47 and 4,885.99 is: 6,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.38 : 11,372.47 = 4,885.99 : x
  2. Step 2: Convert to fraction form
    8,242.38/11,372.47 = 4,885.99/x
  3. Step 3: Cross multiply
    8,242.38x = 11,372.47 × 4,885.99
  4. Step 4: Simplify right side
    8,242.38x = 55,565,734.05
  5. Step 5: Solve for x
    x = 55,565,734.05/8,242.38
  6. Step 6: Final answer
    x = 6,741.47

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Half 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.