Home / 8,806.56-12,157.44-5,079.84

Finding the Fourth Proportional to 8,806.56, 12,157.44 and 5,079.84

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Solution

The fourth proportional to 8,806.56, 12,157.44 and 5,079.84 is: 7,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.56 : 12,157.44 = 5,079.84 : x
  2. Step 2: Convert to fraction form
    8,806.56/12,157.44 = 5,079.84/x
  3. Step 3: Cross multiply
    8,806.56x = 12,157.44 × 5,079.84
  4. Step 4: Simplify right side
    8,806.56x = 61,757,850.01
  5. Step 5: Solve for x
    x = 61,757,850.01/8,806.56
  6. Step 6: Final answer
    x = 7,012.71

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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.