Home / 7,524.30-11,283.96-3,140.58

Finding the Fourth Proportional to 7,524.30, 11,283.96 and 3,140.58

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Solution

The fourth proportional to 7,524.30, 11,283.96 and 3,140.58 is: 4,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524.30 : 11,283.96 = 3,140.58 : x
  2. Step 2: Convert to fraction form
    7,524.30/11,283.96 = 3,140.58/x
  3. Step 3: Cross multiply
    7,524.30x = 11,283.96 × 3,140.58
  4. Step 4: Simplify right side
    7,524.30x = 35,438,179.10
  5. Step 5: Solve for x
    x = 35,438,179.10/7,524.30
  6. Step 6: Final answer
    x = 4,709.83

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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.