Home / 4,117.96-5,680.29-3,620.62

Finding the Fourth Proportional to 4,117.96, 5,680.29 and 3,620.62

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Solution

The fourth proportional to 4,117.96, 5,680.29 and 3,620.62 is: 4,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.96 : 5,680.29 = 3,620.62 : x
  2. Step 2: Convert to fraction form
    4,117.96/5,680.29 = 3,620.62/x
  3. Step 3: Cross multiply
    4,117.96x = 5,680.29 × 3,620.62
  4. Step 4: Simplify right side
    4,117.96x = 20,566,171.58
  5. Step 5: Solve for x
    x = 20,566,171.58/4,117.96
  6. Step 6: Final answer
    x = 4,994.26

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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.