Home / 7,129.57-10,694.76-3,234.28

Finding the Fourth Proportional to 7,129.57, 10,694.76 and 3,234.28

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Solution

The fourth proportional to 7,129.57, 10,694.76 and 3,234.28 is: 4,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129.57 : 10,694.76 = 3,234.28 : x
  2. Step 2: Convert to fraction form
    7,129.57/10,694.76 = 3,234.28/x
  3. Step 3: Cross multiply
    7,129.57x = 10,694.76 × 3,234.28
  4. Step 4: Simplify right side
    7,129.57x = 34,589,848.37
  5. Step 5: Solve for x
    x = 34,589,848.37/7,129.57
  6. Step 6: Final answer
    x = 4,851.60

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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.