Home / 7,659.19-11,489.72-2,729.33

Finding the Fourth Proportional to 7,659.19, 11,489.72 and 2,729.33

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Solution

The fourth proportional to 7,659.19, 11,489.72 and 2,729.33 is: 4,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.19 : 11,489.72 = 2,729.33 : x
  2. Step 2: Convert to fraction form
    7,659.19/11,489.72 = 2,729.33/x
  3. Step 3: Cross multiply
    7,659.19x = 11,489.72 × 2,729.33
  4. Step 4: Simplify right side
    7,659.19x = 31,359,209.48
  5. Step 5: Solve for x
    x = 31,359,209.48/7,659.19
  6. Step 6: Final answer
    x = 4,094.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.