Home / 7,170.90-10,757.69-2,239.35

Finding the Fourth Proportional to 7,170.90, 10,757.69 and 2,239.35

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Solution

The fourth proportional to 7,170.90, 10,757.69 and 2,239.35 is: 3,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.90 : 10,757.69 = 2,239.35 : x
  2. Step 2: Convert to fraction form
    7,170.90/10,757.69 = 2,239.35/x
  3. Step 3: Cross multiply
    7,170.90x = 10,757.69 × 2,239.35
  4. Step 4: Simplify right side
    7,170.90x = 24,090,233.10
  5. Step 5: Solve for x
    x = 24,090,233.10/7,170.90
  6. Step 6: Final answer
    x = 3,359.44

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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.