Home / 4,372.40-6,555.15-2,180.00

Finding the Fourth Proportional to 4,372.40, 6,555.15 and 2,180.00

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Solution

The fourth proportional to 4,372.40, 6,555.15 and 2,180.00 is: 3,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,372.40 : 6,555.15 = 2,180.00 : x
  2. Step 2: Convert to fraction form
    4,372.40/6,555.15 = 2,180.00/x
  3. Step 3: Cross multiply
    4,372.40x = 6,555.15 × 2,180.00
  4. Step 4: Simplify right side
    4,372.40x = 14,290,194.22
  5. Step 5: Solve for x
    x = 14,290,194.22/4,372.40
  6. Step 6: Final answer
    x = 3,268.28

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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.