Home / 6,505.42-8,979.30-3,853.66

Finding the Fourth Proportional to 6,505.42, 8,979.30 and 3,853.66

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Solution

The fourth proportional to 6,505.42, 8,979.30 and 3,853.66 is: 5,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.42 : 8,979.30 = 3,853.66 : x
  2. Step 2: Convert to fraction form
    6,505.42/8,979.30 = 3,853.66/x
  3. Step 3: Cross multiply
    6,505.42x = 8,979.30 × 3,853.66
  4. Step 4: Simplify right side
    6,505.42x = 34,603,169.24
  5. Step 5: Solve for x
    x = 34,603,169.24/6,505.42
  6. Step 6: Final answer
    x = 5,319.13

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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.