Home / 8,727.89-12,044.30-4,749.03

Finding the Fourth Proportional to 8,727.89, 12,044.30 and 4,749.03

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Solution

The fourth proportional to 8,727.89, 12,044.30 and 4,749.03 is: 6,553.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.89 : 12,044.30 = 4,749.03 : x
  2. Step 2: Convert to fraction form
    8,727.89/12,044.30 = 4,749.03/x
  3. Step 3: Cross multiply
    8,727.89x = 12,044.30 × 4,749.03
  4. Step 4: Simplify right side
    8,727.89x = 57,198,718.28
  5. Step 5: Solve for x
    x = 57,198,718.28/8,727.89
  6. Step 6: Final answer
    x = 6,553.56

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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.