Home / 7,515.56-10,371.44-4,327.70

Finding the Fourth Proportional to 7,515.56, 10,371.44 and 4,327.70

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Solution

The fourth proportional to 7,515.56, 10,371.44 and 4,327.70 is: 5,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.56 : 10,371.44 = 4,327.70 : x
  2. Step 2: Convert to fraction form
    7,515.56/10,371.44 = 4,327.70/x
  3. Step 3: Cross multiply
    7,515.56x = 10,371.44 × 4,327.70
  4. Step 4: Simplify right side
    7,515.56x = 44,884,439.85
  5. Step 5: Solve for x
    x = 44,884,439.85/7,515.56
  6. Step 6: Final answer
    x = 5,972.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.