Home / 7,438.78-11,159.79-2,244.25

Finding the Fourth Proportional to 7,438.78, 11,159.79 and 2,244.25

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Solution

The fourth proportional to 7,438.78, 11,159.79 and 2,244.25 is: 3,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.78 : 11,159.79 = 2,244.25 : x
  2. Step 2: Convert to fraction form
    7,438.78/11,159.79 = 2,244.25/x
  3. Step 3: Cross multiply
    7,438.78x = 11,159.79 × 2,244.25
  4. Step 4: Simplify right side
    7,438.78x = 25,045,358.71
  5. Step 5: Solve for x
    x = 25,045,358.71/7,438.78
  6. Step 6: Final answer
    x = 3,366.86

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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.