Home / 7,480.31-11,222.66-2,215.46

Finding the Fourth Proportional to 7,480.31, 11,222.66 and 2,215.46

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Solution

The fourth proportional to 7,480.31, 11,222.66 and 2,215.46 is: 3,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.31 : 11,222.66 = 2,215.46 : x
  2. Step 2: Convert to fraction form
    7,480.31/11,222.66 = 2,215.46/x
  3. Step 3: Cross multiply
    7,480.31x = 11,222.66 × 2,215.46
  4. Step 4: Simplify right side
    7,480.31x = 24,863,354.32
  5. Step 5: Solve for x
    x = 24,863,354.32/7,480.31
  6. Step 6: Final answer
    x = 3,323.84

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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.