Home / 8,728.14-12,044.46-4,749.18

Finding the Fourth Proportional to 8,728.14, 12,044.46 and 4,749.18

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Solution

The fourth proportional to 8,728.14, 12,044.46 and 4,749.18 is: 6,553.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.14 : 12,044.46 = 4,749.18 : x
  2. Step 2: Convert to fraction form
    8,728.14/12,044.46 = 4,749.18/x
  3. Step 3: Cross multiply
    8,728.14x = 12,044.46 × 4,749.18
  4. Step 4: Simplify right side
    8,728.14x = 57,201,308.54
  5. Step 5: Solve for x
    x = 57,201,308.54/8,728.14
  6. Step 6: Final answer
    x = 6,553.67

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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.