Home / 7,844.16-11,761.68-5,381.76

Finding the Fourth Proportional to 7,844.16, 11,761.68 and 5,381.76

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Solution

The fourth proportional to 7,844.16, 11,761.68 and 5,381.76 is: 8,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.16 : 11,761.68 = 5,381.76 : x
  2. Step 2: Convert to fraction form
    7,844.16/11,761.68 = 5,381.76/x
  3. Step 3: Cross multiply
    7,844.16x = 11,761.68 × 5,381.76
  4. Step 4: Simplify right side
    7,844.16x = 63,298,538.96
  5. Step 5: Solve for x
    x = 63,298,538.96/7,844.16
  6. Step 6: Final answer
    x = 8,069.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.