Home / 8,680.93-11,979.66-4,702.03

Finding the Fourth Proportional to 8,680.93, 11,979.66 and 4,702.03

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Solution

The fourth proportional to 8,680.93, 11,979.66 and 4,702.03 is: 6,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.93 : 11,979.66 = 4,702.03 : x
  2. Step 2: Convert to fraction form
    8,680.93/11,979.66 = 4,702.03/x
  3. Step 3: Cross multiply
    8,680.93x = 11,979.66 × 4,702.03
  4. Step 4: Simplify right side
    8,680.93x = 56,328,720.71
  5. Step 5: Solve for x
    x = 56,328,720.71/8,680.93
  6. Step 6: Final answer
    x = 6,488.79

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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.