Home / 5,381.73-8,072.58-1,486.13

Finding the Fourth Proportional to 5,381.73, 8,072.58 and 1,486.13

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Solution

The fourth proportional to 5,381.73, 8,072.58 and 1,486.13 is: 2,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.73 : 8,072.58 = 1,486.13 : x
  2. Step 2: Convert to fraction form
    5,381.73/8,072.58 = 1,486.13/x
  3. Step 3: Cross multiply
    5,381.73x = 8,072.58 × 1,486.13
  4. Step 4: Simplify right side
    5,381.73x = 11,996,868.53
  5. Step 5: Solve for x
    x = 11,996,868.53/5,381.73
  6. Step 6: Final answer
    x = 2,229.18

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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.