Home / 7,931.44-11,845.09-6,373.82

Finding the Fourth Proportional to 7,931.44, 11,845.09 and 6,373.82

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Solution

The fourth proportional to 7,931.44, 11,845.09 and 6,373.82 is: 9,518.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.44 : 11,845.09 = 6,373.82 : x
  2. Step 2: Convert to fraction form
    7,931.44/11,845.09 = 6,373.82/x
  3. Step 3: Cross multiply
    7,931.44x = 11,845.09 × 6,373.82
  4. Step 4: Simplify right side
    7,931.44x = 75,498,471.54
  5. Step 5: Solve for x
    x = 75,498,471.54/7,931.44
  6. Step 6: Final answer
    x = 9,518.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.