Home / 7,031.85-9,704.62-4,199.20

Finding the Fourth Proportional to 7,031.85, 9,704.62 and 4,199.20

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Solution

The fourth proportional to 7,031.85, 9,704.62 and 4,199.20 is: 5,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.85 : 9,704.62 = 4,199.20 : x
  2. Step 2: Convert to fraction form
    7,031.85/9,704.62 = 4,199.20/x
  3. Step 3: Cross multiply
    7,031.85x = 9,704.62 × 4,199.20
  4. Step 4: Simplify right side
    7,031.85x = 40,751,640.30
  5. Step 5: Solve for x
    x = 40,751,640.30/7,031.85
  6. Step 6: Final answer
    x = 5,795.29

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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.