Home / 4,372.80-6,549.60-3,886.40

Finding the Fourth Proportional to 4,372.80, 6,549.60 and 3,886.40

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Solution

The fourth proportional to 4,372.80, 6,549.60 and 3,886.40 is: 5,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.80 : 6,549.60 = 3,886.40 : x
  2. Step 2: Convert to fraction form
    4,372.80/6,549.60 = 3,886.40/x
  3. Step 3: Cross multiply
    4,372.80x = 6,549.60 × 3,886.40
  4. Step 4: Simplify right side
    4,372.80x = 25,454,365.44
  5. Step 5: Solve for x
    x = 25,454,365.44/4,372.80
  6. Step 6: Final answer
    x = 5,821.07

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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.