Home / 8,756.33-13,134.60-2,912.94

Finding the Fourth Proportional to 8,756.33, 13,134.60 and 2,912.94

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Solution

The fourth proportional to 8,756.33, 13,134.60 and 2,912.94 is: 4,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.33 : 13,134.60 = 2,912.94 : x
  2. Step 2: Convert to fraction form
    8,756.33/13,134.60 = 2,912.94/x
  3. Step 3: Cross multiply
    8,756.33x = 13,134.60 × 2,912.94
  4. Step 4: Simplify right side
    8,756.33x = 38,260,301.72
  5. Step 5: Solve for x
    x = 38,260,301.72/8,756.33
  6. Step 6: Final answer
    x = 4,369.45

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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.