Home / 4,047.20-6,063.60-3,312.80

Finding the Fourth Proportional to 4,047.20, 6,063.60 and 3,312.80

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Solution

The fourth proportional to 4,047.20, 6,063.60 and 3,312.80 is: 4,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.20 : 6,063.60 = 3,312.80 : x
  2. Step 2: Convert to fraction form
    4,047.20/6,063.60 = 3,312.80/x
  3. Step 3: Cross multiply
    4,047.20x = 6,063.60 × 3,312.80
  4. Step 4: Simplify right side
    4,047.20x = 20,087,494.08
  5. Step 5: Solve for x
    x = 20,087,494.08/4,047.20
  6. Step 6: Final answer
    x = 4,963.31

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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.