Home / 7,215.47-10,824.42-2,286.48

Finding the Fourth Proportional to 7,215.47, 10,824.42 and 2,286.48

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Solution

The fourth proportional to 7,215.47, 10,824.42 and 2,286.48 is: 3,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.47 : 10,824.42 = 2,286.48 : x
  2. Step 2: Convert to fraction form
    7,215.47/10,824.42 = 2,286.48/x
  3. Step 3: Cross multiply
    7,215.47x = 10,824.42 × 2,286.48
  4. Step 4: Simplify right side
    7,215.47x = 24,749,819.84
  5. Step 5: Solve for x
    x = 24,749,819.84/7,215.47
  6. Step 6: Final answer
    x = 3,430.11

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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.