Home / 7,125.62-10,688.19-3,227.30

Finding the Fourth Proportional to 7,125.62, 10,688.19 and 3,227.30

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Solution

The fourth proportional to 7,125.62, 10,688.19 and 3,227.30 is: 4,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.62 : 10,688.19 = 3,227.30 : x
  2. Step 2: Convert to fraction form
    7,125.62/10,688.19 = 3,227.30/x
  3. Step 3: Cross multiply
    7,125.62x = 10,688.19 × 3,227.30
  4. Step 4: Simplify right side
    7,125.62x = 34,493,995.59
  5. Step 5: Solve for x
    x = 34,493,995.59/7,125.62
  6. Step 6: Final answer
    x = 4,840.84

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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.