Home / 7,478.92-11,218.98-3,095.56

Finding the Fourth Proportional to 7,478.92, 11,218.98 and 3,095.56

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Solution

The fourth proportional to 7,478.92, 11,218.98 and 3,095.56 is: 4,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.92 : 11,218.98 = 3,095.56 : x
  2. Step 2: Convert to fraction form
    7,478.92/11,218.98 = 3,095.56/x
  3. Step 3: Cross multiply
    7,478.92x = 11,218.98 × 3,095.56
  4. Step 4: Simplify right side
    7,478.92x = 34,729,025.73
  5. Step 5: Solve for x
    x = 34,729,025.73/7,478.92
  6. Step 6: Final answer
    x = 4,643.59

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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.