Home / 5,227.20-7,842.42-2,453.76

Finding the Fourth Proportional to 5,227.20, 7,842.42 and 2,453.76

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Solution

The fourth proportional to 5,227.20, 7,842.42 and 2,453.76 is: 3,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.20 : 7,842.42 = 2,453.76 : x
  2. Step 2: Convert to fraction form
    5,227.20/7,842.42 = 2,453.76/x
  3. Step 3: Cross multiply
    5,227.20x = 7,842.42 × 2,453.76
  4. Step 4: Simplify right side
    5,227.20x = 19,243,416.50
  5. Step 5: Solve for x
    x = 19,243,416.50/5,227.20
  6. Step 6: Final answer
    x = 3,681.40

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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.