Home / 8,100.13-11,174.35-4,740.87

Finding the Fourth Proportional to 8,100.13, 11,174.35 and 4,740.87

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Solution

The fourth proportional to 8,100.13, 11,174.35 and 4,740.87 is: 6,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.13 : 11,174.35 = 4,740.87 : x
  2. Step 2: Convert to fraction form
    8,100.13/11,174.35 = 4,740.87/x
  3. Step 3: Cross multiply
    8,100.13x = 11,174.35 × 4,740.87
  4. Step 4: Simplify right side
    8,100.13x = 52,976,140.68
  5. Step 5: Solve for x
    x = 52,976,140.68/8,100.13
  6. Step 6: Final answer
    x = 6,540.16

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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.