Home / 7,439.70-11,151.76-2,507.64

Finding the Fourth Proportional to 7,439.70, 11,151.76 and 2,507.64

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Solution

The fourth proportional to 7,439.70, 11,151.76 and 2,507.64 is: 3,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.70 : 11,151.76 = 2,507.64 : x
  2. Step 2: Convert to fraction form
    7,439.70/11,151.76 = 2,507.64/x
  3. Step 3: Cross multiply
    7,439.70x = 11,151.76 × 2,507.64
  4. Step 4: Simplify right side
    7,439.70x = 27,964,599.45
  5. Step 5: Solve for x
    x = 27,964,599.45/7,439.70
  6. Step 6: Final answer
    x = 3,758.83

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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.