Home / 8,756.27-13,134.20-2,912.93

Finding the Fourth Proportional to 8,756.27, 13,134.20 and 2,912.93

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Solution

The fourth proportional to 8,756.27, 13,134.20 and 2,912.93 is: 4,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.27 : 13,134.20 = 2,912.93 : x
  2. Step 2: Convert to fraction form
    8,756.27/13,134.20 = 2,912.93/x
  3. Step 3: Cross multiply
    8,756.27x = 13,134.20 × 2,912.93
  4. Step 4: Simplify right side
    8,756.27x = 38,258,924.97
  5. Step 5: Solve for x
    x = 38,258,924.97/8,756.27
  6. Step 6: Final answer
    x = 4,369.32

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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.