Home / 9,131.48-12,601.45-4,939.73

Finding the Fourth Proportional to 9,131.48, 12,601.45 and 4,939.73

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Solution

The fourth proportional to 9,131.48, 12,601.45 and 4,939.73 is: 6,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131.48 : 12,601.45 = 4,939.73 : x
  2. Step 2: Convert to fraction form
    9,131.48/12,601.45 = 4,939.73/x
  3. Step 3: Cross multiply
    9,131.48x = 12,601.45 × 4,939.73
  4. Step 4: Simplify right side
    9,131.48x = 62,247,808.02
  5. Step 5: Solve for x
    x = 62,247,808.02/9,131.48
  6. Step 6: Final answer
    x = 6,816.83

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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.