Home / 7,713.11-11,568.19-3,760.40

Finding the Fourth Proportional to 7,713.11, 11,568.19 and 3,760.40

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Solution

The fourth proportional to 7,713.11, 11,568.19 and 3,760.40 is: 5,639.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.11 : 11,568.19 = 3,760.40 : x
  2. Step 2: Convert to fraction form
    7,713.11/11,568.19 = 3,760.40/x
  3. Step 3: Cross multiply
    7,713.11x = 11,568.19 × 3,760.40
  4. Step 4: Simplify right side
    7,713.11x = 43,500,963.84
  5. Step 5: Solve for x
    x = 43,500,963.84/7,713.11
  6. Step 6: Final answer
    x = 5,639.88

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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.