Home / 4,880.80-7,321.20-2,248.30

Finding the Fourth Proportional to 4,880.80, 7,321.20 and 2,248.30

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Solution

The fourth proportional to 4,880.80, 7,321.20 and 2,248.30 is: 3,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880.80 : 7,321.20 = 2,248.30 : x
  2. Step 2: Convert to fraction form
    4,880.80/7,321.20 = 2,248.30/x
  3. Step 3: Cross multiply
    4,880.80x = 7,321.20 × 2,248.30
  4. Step 4: Simplify right side
    4,880.80x = 16,460,253.96
  5. Step 5: Solve for x
    x = 16,460,253.96/4,880.80
  6. Step 6: Final answer
    x = 3,372.45

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Similar ratio
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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.