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Finding the Fourth Proportional to 6,341.45, 8,749.89 and 4,351.28

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Solution

The fourth proportional to 6,341.45, 8,749.89 and 4,351.28 is: 6,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,341.45 : 8,749.89 = 4,351.28 : x
  2. Step 2: Convert to fraction form
    6,341.45/8,749.89 = 4,351.28/x
  3. Step 3: Cross multiply
    6,341.45x = 8,749.89 × 4,351.28
  4. Step 4: Simplify right side
    6,341.45x = 38,073,177.61
  5. Step 5: Solve for x
    x = 38,073,177.61/6,341.45
  6. Step 6: Final answer
    x = 6,003.86

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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.