Home / 6,915.30-10,374.30-2,754.60

Finding the Fourth Proportional to 6,915.30, 10,374.30 and 2,754.60

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Solution

The fourth proportional to 6,915.30, 10,374.30 and 2,754.60 is: 4,132.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.30 : 10,374.30 = 2,754.60 : x
  2. Step 2: Convert to fraction form
    6,915.30/10,374.30 = 2,754.60/x
  3. Step 3: Cross multiply
    6,915.30x = 10,374.30 × 2,754.60
  4. Step 4: Simplify right side
    6,915.30x = 28,577,046.78
  5. Step 5: Solve for x
    x = 28,577,046.78/6,915.30
  6. Step 6: Final answer
    x = 4,132.44

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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.