Home / 4,610.20-6,915.30-1,147.44

Finding the Fourth Proportional to 4,610.20, 6,915.30 and 1,147.44

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Solution

The fourth proportional to 4,610.20, 6,915.30 and 1,147.44 is: 1,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.20 : 6,915.30 = 1,147.44 : x
  2. Step 2: Convert to fraction form
    4,610.20/6,915.30 = 1,147.44/x
  3. Step 3: Cross multiply
    4,610.20x = 6,915.30 × 1,147.44
  4. Step 4: Simplify right side
    4,610.20x = 7,934,891.83
  5. Step 5: Solve for x
    x = 7,934,891.83/4,610.20
  6. Step 6: Final answer
    x = 1,721.16

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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.