Home / 4,288.50-6,443.51-2,729.18

Finding the Fourth Proportional to 4,288.50, 6,443.51 and 2,729.18

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Solution

The fourth proportional to 4,288.50, 6,443.51 and 2,729.18 is: 4,100.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.50 : 6,443.51 = 2,729.18 : x
  2. Step 2: Convert to fraction form
    4,288.50/6,443.51 = 2,729.18/x
  3. Step 3: Cross multiply
    4,288.50x = 6,443.51 × 2,729.18
  4. Step 4: Simplify right side
    4,288.50x = 17,585,452.76
  5. Step 5: Solve for x
    x = 17,585,452.76/4,288.50
  6. Step 6: Final answer
    x = 4,100.61

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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.