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Finding the Fourth Proportional to 5,868.62, 8,803.26 and 1,486.12

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Solution

The fourth proportional to 5,868.62, 8,803.26 and 1,486.12 is: 2,229.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.62 : 8,803.26 = 1,486.12 : x
  2. Step 2: Convert to fraction form
    5,868.62/8,803.26 = 1,486.12/x
  3. Step 3: Cross multiply
    5,868.62x = 8,803.26 × 1,486.12
  4. Step 4: Simplify right side
    5,868.62x = 13,082,691.07
  5. Step 5: Solve for x
    x = 13,082,691.07/5,868.62
  6. Step 6: Final answer
    x = 2,229.26

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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.