Home / 8,658.38-11,954.96-5,305.77

Finding the Fourth Proportional to 8,658.38, 11,954.96 and 5,305.77

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Solution

The fourth proportional to 8,658.38, 11,954.96 and 5,305.77 is: 7,325.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.38 : 11,954.96 = 5,305.77 : x
  2. Step 2: Convert to fraction form
    8,658.38/11,954.96 = 5,305.77/x
  3. Step 3: Cross multiply
    8,658.38x = 11,954.96 × 5,305.77
  4. Step 4: Simplify right side
    8,658.38x = 63,430,261.49
  5. Step 5: Solve for x
    x = 63,430,261.49/8,658.38
  6. Step 6: Final answer
    x = 7,325.88

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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.