Home / 6,239.86-8,609.29-3,587.11

Finding the Fourth Proportional to 6,239.86, 8,609.29 and 3,587.11

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Solution

The fourth proportional to 6,239.86, 8,609.29 and 3,587.11 is: 4,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.86 : 8,609.29 = 3,587.11 : x
  2. Step 2: Convert to fraction form
    6,239.86/8,609.29 = 3,587.11/x
  3. Step 3: Cross multiply
    6,239.86x = 8,609.29 × 3,587.11
  4. Step 4: Simplify right side
    6,239.86x = 30,882,470.25
  5. Step 5: Solve for x
    x = 30,882,470.25/6,239.86
  6. Step 6: Final answer
    x = 4,949.22

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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.