Home / 7,469.28-10,309.84-4,326.88

Finding the Fourth Proportional to 7,469.28, 10,309.84 and 4,326.88

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Solution

The fourth proportional to 7,469.28, 10,309.84 and 4,326.88 is: 5,972.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.28 : 10,309.84 = 4,326.88 : x
  2. Step 2: Convert to fraction form
    7,469.28/10,309.84 = 4,326.88/x
  3. Step 3: Cross multiply
    7,469.28x = 10,309.84 × 4,326.88
  4. Step 4: Simplify right side
    7,469.28x = 44,609,440.50
  5. Step 5: Solve for x
    x = 44,609,440.50/7,469.28
  6. Step 6: Final answer
    x = 5,972.39

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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.