Home / 4,515.31-6,229.20-2,835.55

Finding the Fourth Proportional to 4,515.31, 6,229.20 and 2,835.55

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Solution

The fourth proportional to 4,515.31, 6,229.20 and 2,835.55 is: 3,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.31 : 6,229.20 = 2,835.55 : x
  2. Step 2: Convert to fraction form
    4,515.31/6,229.20 = 2,835.55/x
  3. Step 3: Cross multiply
    4,515.31x = 6,229.20 × 2,835.55
  4. Step 4: Simplify right side
    4,515.31x = 17,663,208.06
  5. Step 5: Solve for x
    x = 17,663,208.06/4,515.31
  6. Step 6: Final answer
    x = 3,911.85

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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.