Home / 4,478.50-6,180.60-2,615.50

Finding the Fourth Proportional to 4,478.50, 6,180.60 and 2,615.50

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Solution

The fourth proportional to 4,478.50, 6,180.60 and 2,615.50 is: 3,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.50 : 6,180.60 = 2,615.50 : x
  2. Step 2: Convert to fraction form
    4,478.50/6,180.60 = 2,615.50/x
  3. Step 3: Cross multiply
    4,478.50x = 6,180.60 × 2,615.50
  4. Step 4: Simplify right side
    4,478.50x = 16,165,359.30
  5. Step 5: Solve for x
    x = 16,165,359.30/4,478.50
  6. Step 6: Final answer
    x = 3,609.55

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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.