Home / 7,488.12-11,231.76-2,293.98

Finding the Fourth Proportional to 7,488.12, 11,231.76 and 2,293.98

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Solution

The fourth proportional to 7,488.12, 11,231.76 and 2,293.98 is: 3,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.12 : 11,231.76 = 2,293.98 : x
  2. Step 2: Convert to fraction form
    7,488.12/11,231.76 = 2,293.98/x
  3. Step 3: Cross multiply
    7,488.12x = 11,231.76 × 2,293.98
  4. Step 4: Simplify right side
    7,488.12x = 25,765,432.80
  5. Step 5: Solve for x
    x = 25,765,432.80/7,488.12
  6. Step 6: Final answer
    x = 3,440.84

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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.