Home / 7,341.40-10,989.06-5,481.88

Finding the Fourth Proportional to 7,341.40, 10,989.06 and 5,481.88

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Solution

The fourth proportional to 7,341.40, 10,989.06 and 5,481.88 is: 8,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.40 : 10,989.06 = 5,481.88 : x
  2. Step 2: Convert to fraction form
    7,341.40/10,989.06 = 5,481.88/x
  3. Step 3: Cross multiply
    7,341.40x = 10,989.06 × 5,481.88
  4. Step 4: Simplify right side
    7,341.40x = 60,240,708.23
  5. Step 5: Solve for x
    x = 60,240,708.23/7,341.40
  6. Step 6: Final answer
    x = 8,205.62

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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.