Home / 6,555.28-9,832.92-2,173.20

Finding the Fourth Proportional to 6,555.28, 9,832.92 and 2,173.20

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Solution

The fourth proportional to 6,555.28, 9,832.92 and 2,173.20 is: 3,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.28 : 9,832.92 = 2,173.20 : x
  2. Step 2: Convert to fraction form
    6,555.28/9,832.92 = 2,173.20/x
  3. Step 3: Cross multiply
    6,555.28x = 9,832.92 × 2,173.20
  4. Step 4: Simplify right side
    6,555.28x = 21,368,901.74
  5. Step 5: Solve for x
    x = 21,368,901.74/6,555.28
  6. Step 6: Final answer
    x = 3,259.80

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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.