Home / 9,131.20-12,601.06-4,939.44

Finding the Fourth Proportional to 9,131.20, 12,601.06 and 4,939.44

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Solution

The fourth proportional to 9,131.20, 12,601.06 and 4,939.44 is: 6,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.20 : 12,601.06 = 4,939.44 : x
  2. Step 2: Convert to fraction form
    9,131.20/12,601.06 = 4,939.44/x
  3. Step 3: Cross multiply
    9,131.20x = 12,601.06 × 4,939.44
  4. Step 4: Simplify right side
    9,131.20x = 62,242,179.81
  5. Step 5: Solve for x
    x = 62,242,179.81/9,131.20
  6. Step 6: Final answer
    x = 6,816.43

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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.