Home / 8,253.64-12,381.68-5,344.93

Finding the Fourth Proportional to 8,253.64, 12,381.68 and 5,344.93

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Solution

The fourth proportional to 8,253.64, 12,381.68 and 5,344.93 is: 8,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.64 : 12,381.68 = 5,344.93 : x
  2. Step 2: Convert to fraction form
    8,253.64/12,381.68 = 5,344.93/x
  3. Step 3: Cross multiply
    8,253.64x = 12,381.68 × 5,344.93
  4. Step 4: Simplify right side
    8,253.64x = 66,179,212.88
  5. Step 5: Solve for x
    x = 66,179,212.88/8,253.64
  6. Step 6: Final answer
    x = 8,018.19

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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.