Home / 6,514.59-8,988.39-3,861.03

Finding the Fourth Proportional to 6,514.59, 8,988.39 and 3,861.03

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Solution

The fourth proportional to 6,514.59, 8,988.39 and 3,861.03 is: 5,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,514.59 : 8,988.39 = 3,861.03 : x
  2. Step 2: Convert to fraction form
    6,514.59/8,988.39 = 3,861.03/x
  3. Step 3: Cross multiply
    6,514.59x = 8,988.39 × 3,861.03
  4. Step 4: Simplify right side
    6,514.59x = 34,704,443.44
  5. Step 5: Solve for x
    x = 34,704,443.44/6,514.59
  6. Step 6: Final answer
    x = 5,327.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.