Home / 6,743.58-9,306.16-3,911.50

Finding the Fourth Proportional to 6,743.58, 9,306.16 and 3,911.50

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Solution

The fourth proportional to 6,743.58, 9,306.16 and 3,911.50 is: 5,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.58 : 9,306.16 = 3,911.50 : x
  2. Step 2: Convert to fraction form
    6,743.58/9,306.16 = 3,911.50/x
  3. Step 3: Cross multiply
    6,743.58x = 9,306.16 × 3,911.50
  4. Step 4: Simplify right side
    6,743.58x = 36,401,044.84
  5. Step 5: Solve for x
    x = 36,401,044.84/6,743.58
  6. Step 6: Final answer
    x = 5,397.88

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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.