Home / 6,577.40-9,861.30-2,679.80

Finding the Fourth Proportional to 6,577.40, 9,861.30 and 2,679.80

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Solution

The fourth proportional to 6,577.40, 9,861.30 and 2,679.80 is: 4,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,577.40 : 9,861.30 = 2,679.80 : x
  2. Step 2: Convert to fraction form
    6,577.40/9,861.30 = 2,679.80/x
  3. Step 3: Cross multiply
    6,577.40x = 9,861.30 × 2,679.80
  4. Step 4: Simplify right side
    6,577.40x = 26,426,311.74
  5. Step 5: Solve for x
    x = 26,426,311.74/6,577.40
  6. Step 6: Final answer
    x = 4,017.74

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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.