Home / 7,080.98-9,771.30-3,937.22

Finding the Fourth Proportional to 7,080.98, 9,771.30 and 3,937.22

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Solution

The fourth proportional to 7,080.98, 9,771.30 and 3,937.22 is: 5,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.98 : 9,771.30 = 3,937.22 : x
  2. Step 2: Convert to fraction form
    7,080.98/9,771.30 = 3,937.22/x
  3. Step 3: Cross multiply
    7,080.98x = 9,771.30 × 3,937.22
  4. Step 4: Simplify right side
    7,080.98x = 38,471,757.79
  5. Step 5: Solve for x
    x = 38,471,757.79/7,080.98
  6. Step 6: Final answer
    x = 5,433.11

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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.