Home / 6,955.28-10,432.08-1,761.20

Finding the Fourth Proportional to 6,955.28, 10,432.08 and 1,761.20

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Solution

The fourth proportional to 6,955.28, 10,432.08 and 1,761.20 is: 2,641.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,955.28 : 10,432.08 = 1,761.20 : x
  2. Step 2: Convert to fraction form
    6,955.28/10,432.08 = 1,761.20/x
  3. Step 3: Cross multiply
    6,955.28x = 10,432.08 × 1,761.20
  4. Step 4: Simplify right side
    6,955.28x = 18,372,979.30
  5. Step 5: Solve for x
    x = 18,372,979.30/6,955.28
  6. Step 6: Final answer
    x = 2,641.59

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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.