Home / 8,728.02-12,044.31-4,749.15

Finding the Fourth Proportional to 8,728.02, 12,044.31 and 4,749.15

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Solution

The fourth proportional to 8,728.02, 12,044.31 and 4,749.15 is: 6,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.02 : 12,044.31 = 4,749.15 : x
  2. Step 2: Convert to fraction form
    8,728.02/12,044.31 = 4,749.15/x
  3. Step 3: Cross multiply
    8,728.02x = 12,044.31 × 4,749.15
  4. Step 4: Simplify right side
    8,728.02x = 57,200,234.84
  5. Step 5: Solve for x
    x = 57,200,234.84/8,728.02
  6. Step 6: Final answer
    x = 6,553.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.