Home / 4,613.80-6,920.82-1,691.32

Finding the Fourth Proportional to 4,613.80, 6,920.82 and 1,691.32

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Solution

The fourth proportional to 4,613.80, 6,920.82 and 1,691.32 is: 2,537.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.80 : 6,920.82 = 1,691.32 : x
  2. Step 2: Convert to fraction form
    4,613.80/6,920.82 = 1,691.32/x
  3. Step 3: Cross multiply
    4,613.80x = 6,920.82 × 1,691.32
  4. Step 4: Simplify right side
    4,613.80x = 11,705,321.28
  5. Step 5: Solve for x
    x = 11,705,321.28/4,613.80
  6. Step 6: Final answer
    x = 2,537.02

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1.5x scale

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.