Home / 7,134.37-10,701.36-2,752.78

Finding the Fourth Proportional to 7,134.37, 10,701.36 and 2,752.78

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Solution

The fourth proportional to 7,134.37, 10,701.36 and 2,752.78 is: 4,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.37 : 10,701.36 = 2,752.78 : x
  2. Step 2: Convert to fraction form
    7,134.37/10,701.36 = 2,752.78/x
  3. Step 3: Cross multiply
    7,134.37x = 10,701.36 × 2,752.78
  4. Step 4: Simplify right side
    7,134.37x = 29,458,489.78
  5. Step 5: Solve for x
    x = 29,458,489.78/7,134.37
  6. Step 6: Final answer
    x = 4,129.09

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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.