Home / 7,227.30-10,840.80-3,331.71

Finding the Fourth Proportional to 7,227.30, 10,840.80 and 3,331.71

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Solution

The fourth proportional to 7,227.30, 10,840.80 and 3,331.71 is: 4,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.30 : 10,840.80 = 3,331.71 : x
  2. Step 2: Convert to fraction form
    7,227.30/10,840.80 = 3,331.71/x
  3. Step 3: Cross multiply
    7,227.30x = 10,840.80 × 3,331.71
  4. Step 4: Simplify right side
    7,227.30x = 36,118,401.77
  5. Step 5: Solve for x
    x = 36,118,401.77/7,227.30
  6. Step 6: Final answer
    x = 4,997.50

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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.