Home / 6,110.88-8,432.32-3,422.20

Finding the Fourth Proportional to 6,110.88, 8,432.32 and 3,422.20

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Solution

The fourth proportional to 6,110.88, 8,432.32 and 3,422.20 is: 4,722.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.88 : 8,432.32 = 3,422.20 : x
  2. Step 2: Convert to fraction form
    6,110.88/8,432.32 = 3,422.20/x
  3. Step 3: Cross multiply
    6,110.88x = 8,432.32 × 3,422.20
  4. Step 4: Simplify right side
    6,110.88x = 28,857,085.50
  5. Step 5: Solve for x
    x = 28,857,085.50/6,110.88
  6. Step 6: Final answer
    x = 4,722.25

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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.