Home / 4,086.09-5,638.86-2,317.62

Finding the Fourth Proportional to 4,086.09, 5,638.86 and 2,317.62

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Solution

The fourth proportional to 4,086.09, 5,638.86 and 2,317.62 is: 3,198.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.09 : 5,638.86 = 2,317.62 : x
  2. Step 2: Convert to fraction form
    4,086.09/5,638.86 = 2,317.62/x
  3. Step 3: Cross multiply
    4,086.09x = 5,638.86 × 2,317.62
  4. Step 4: Simplify right side
    4,086.09x = 13,068,734.71
  5. Step 5: Solve for x
    x = 13,068,734.71/4,086.09
  6. Step 6: Final answer
    x = 3,198.35

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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.