Home / 7,522.62-10,381.80-4,165.75

Finding the Fourth Proportional to 7,522.62, 10,381.80 and 4,165.75

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Solution

The fourth proportional to 7,522.62, 10,381.80 and 4,165.75 is: 5,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.62 : 10,381.80 = 4,165.75 : x
  2. Step 2: Convert to fraction form
    7,522.62/10,381.80 = 4,165.75/x
  3. Step 3: Cross multiply
    7,522.62x = 10,381.80 × 4,165.75
  4. Step 4: Simplify right side
    7,522.62x = 43,247,930.12
  5. Step 5: Solve for x
    x = 43,247,930.12/7,522.62
  6. Step 6: Final answer
    x = 5,749.05

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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.