Home / 6,861.63-10,279.29-4,079.88

Finding the Fourth Proportional to 6,861.63, 10,279.29 and 4,079.88

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Solution

The fourth proportional to 6,861.63, 10,279.29 and 4,079.88 is: 6,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.63 : 10,279.29 = 4,079.88 : x
  2. Step 2: Convert to fraction form
    6,861.63/10,279.29 = 4,079.88/x
  3. Step 3: Cross multiply
    6,861.63x = 10,279.29 × 4,079.88
  4. Step 4: Simplify right side
    6,861.63x = 41,938,269.69
  5. Step 5: Solve for x
    x = 41,938,269.69/6,861.63
  6. Step 6: Final answer
    x = 6,112.00

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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.