Home / 8,939.46-12,337.94-4,961.86

Finding the Fourth Proportional to 8,939.46, 12,337.94 and 4,961.86

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Solution

The fourth proportional to 8,939.46, 12,337.94 and 4,961.86 is: 6,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.46 : 12,337.94 = 4,961.86 : x
  2. Step 2: Convert to fraction form
    8,939.46/12,337.94 = 4,961.86/x
  3. Step 3: Cross multiply
    8,939.46x = 12,337.94 × 4,961.86
  4. Step 4: Simplify right side
    8,939.46x = 61,219,130.97
  5. Step 5: Solve for x
    x = 61,219,130.97/8,939.46
  6. Step 6: Final answer
    x = 6,848.19

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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.