Home / 8,910.64-12,297.33-5,082.19

Finding the Fourth Proportional to 8,910.64, 12,297.33 and 5,082.19

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Solution

The fourth proportional to 8,910.64, 12,297.33 and 5,082.19 is: 7,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.64 : 12,297.33 = 5,082.19 : x
  2. Step 2: Convert to fraction form
    8,910.64/12,297.33 = 5,082.19/x
  3. Step 3: Cross multiply
    8,910.64x = 12,297.33 × 5,082.19
  4. Step 4: Simplify right side
    8,910.64x = 62,497,367.55
  5. Step 5: Solve for x
    x = 62,497,367.55/8,910.64
  6. Step 6: Final answer
    x = 7,013.79

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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.