Home / 8,381.46-11,568.32-5,548.94

Finding the Fourth Proportional to 8,381.46, 11,568.32 and 5,548.94

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Solution

The fourth proportional to 8,381.46, 11,568.32 and 5,548.94 is: 7,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.46 : 11,568.32 = 5,548.94 : x
  2. Step 2: Convert to fraction form
    8,381.46/11,568.32 = 5,548.94/x
  3. Step 3: Cross multiply
    8,381.46x = 11,568.32 × 5,548.94
  4. Step 4: Simplify right side
    8,381.46x = 64,191,892.18
  5. Step 5: Solve for x
    x = 64,191,892.18/8,381.46
  6. Step 6: Final answer
    x = 7,658.80

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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.