Home / 7,227.71-10,842.28-1,962.80

Finding the Fourth Proportional to 7,227.71, 10,842.28 and 1,962.80

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Solution

The fourth proportional to 7,227.71, 10,842.28 and 1,962.80 is: 2,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.71 : 10,842.28 = 1,962.80 : x
  2. Step 2: Convert to fraction form
    7,227.71/10,842.28 = 1,962.80/x
  3. Step 3: Cross multiply
    7,227.71x = 10,842.28 × 1,962.80
  4. Step 4: Simplify right side
    7,227.71x = 21,281,217.37
  5. Step 5: Solve for x
    x = 21,281,217.37/7,227.71
  6. Step 6: Final answer
    x = 2,944.39

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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.