Home / 7,512.60-11,266.38-3,129.06

Finding the Fourth Proportional to 7,512.60, 11,266.38 and 3,129.06

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Solution

The fourth proportional to 7,512.60, 11,266.38 and 3,129.06 is: 4,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.60 : 11,266.38 = 3,129.06 : x
  2. Step 2: Convert to fraction form
    7,512.60/11,266.38 = 3,129.06/x
  3. Step 3: Cross multiply
    7,512.60x = 11,266.38 × 3,129.06
  4. Step 4: Simplify right side
    7,512.60x = 35,253,179.00
  5. Step 5: Solve for x
    x = 35,253,179.00/7,512.60
  6. Step 6: Final answer
    x = 4,692.54

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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.