Home / 7,515.70-11,273.28-2,321.58

Finding the Fourth Proportional to 7,515.70, 11,273.28 and 2,321.58

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Solution

The fourth proportional to 7,515.70, 11,273.28 and 2,321.58 is: 3,482.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.70 : 11,273.28 = 2,321.58 : x
  2. Step 2: Convert to fraction form
    7,515.70/11,273.28 = 2,321.58/x
  3. Step 3: Cross multiply
    7,515.70x = 11,273.28 × 2,321.58
  4. Step 4: Simplify right side
    7,515.70x = 26,171,821.38
  5. Step 5: Solve for x
    x = 26,171,821.38/7,515.70
  6. Step 6: Final answer
    x = 3,482.29

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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.