Home / 4,506.20-6,218.51-2,489.61

Finding the Fourth Proportional to 4,506.20, 6,218.51 and 2,489.61

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Solution

The fourth proportional to 4,506.20, 6,218.51 and 2,489.61 is: 3,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,506.20 : 6,218.51 = 2,489.61 : x
  2. Step 2: Convert to fraction form
    4,506.20/6,218.51 = 2,489.61/x
  3. Step 3: Cross multiply
    4,506.20x = 6,218.51 × 2,489.61
  4. Step 4: Simplify right side
    4,506.20x = 15,481,638.25
  5. Step 5: Solve for x
    x = 15,481,638.25/4,506.20
  6. Step 6: Final answer
    x = 3,435.63

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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.