Home / 8,190.79-11,301.92-4,652.71

Finding the Fourth Proportional to 8,190.79, 11,301.92 and 4,652.71

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Solution

The fourth proportional to 8,190.79, 11,301.92 and 4,652.71 is: 6,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.79 : 11,301.92 = 4,652.71 : x
  2. Step 2: Convert to fraction form
    8,190.79/11,301.92 = 4,652.71/x
  3. Step 3: Cross multiply
    8,190.79x = 11,301.92 × 4,652.71
  4. Step 4: Simplify right side
    8,190.79x = 52,584,556.20
  5. Step 5: Solve for x
    x = 52,584,556.20/8,190.79
  6. Step 6: Final answer
    x = 6,419.96

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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.