Home / 6,589.30-9,885.12-2,207.20

Finding the Fourth Proportional to 6,589.30, 9,885.12 and 2,207.20

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Solution

The fourth proportional to 6,589.30, 9,885.12 and 2,207.20 is: 3,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,589.30 : 9,885.12 = 2,207.20 : x
  2. Step 2: Convert to fraction form
    6,589.30/9,885.12 = 2,207.20/x
  3. Step 3: Cross multiply
    6,589.30x = 9,885.12 × 2,207.20
  4. Step 4: Simplify right side
    6,589.30x = 21,818,436.86
  5. Step 5: Solve for x
    x = 21,818,436.86/6,589.30
  6. Step 6: Final answer
    x = 3,311.19

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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.