Home / 8,939.40-12,337-4,960.86

Finding the Fourth Proportional to 8,939.40, 12,337 and 4,960.86

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Solution

The fourth proportional to 8,939.40, 12,337 and 4,960.86 is: 6,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.40 : 12,337 = 4,960.86 : x
  2. Step 2: Convert to fraction form
    8,939.40/12,337 = 4,960.86/x
  3. Step 3: Cross multiply
    8,939.40x = 12,337 × 4,960.86
  4. Step 4: Simplify right side
    8,939.40x = 61,202,129.82
  5. Step 5: Solve for x
    x = 61,202,129.82/8,939.40
  6. Step 6: Final answer
    x = 6,846.34

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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.