Home / 6,290.78-9,432.02-3,517.74

Finding the Fourth Proportional to 6,290.78, 9,432.02 and 3,517.74

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Solution

The fourth proportional to 6,290.78, 9,432.02 and 3,517.74 is: 5,274.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.78 : 9,432.02 = 3,517.74 : x
  2. Step 2: Convert to fraction form
    6,290.78/9,432.02 = 3,517.74/x
  3. Step 3: Cross multiply
    6,290.78x = 9,432.02 × 3,517.74
  4. Step 4: Simplify right side
    6,290.78x = 33,179,376.45
  5. Step 5: Solve for x
    x = 33,179,376.45/6,290.78
  6. Step 6: Final answer
    x = 5,274.29

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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.