Home / 7,478.76-11,218.18-3,093.84

Finding the Fourth Proportional to 7,478.76, 11,218.18 and 3,093.84

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Solution

The fourth proportional to 7,478.76, 11,218.18 and 3,093.84 is: 4,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.76 : 11,218.18 = 3,093.84 : x
  2. Step 2: Convert to fraction form
    7,478.76/11,218.18 = 3,093.84/x
  3. Step 3: Cross multiply
    7,478.76x = 11,218.18 × 3,093.84
  4. Step 4: Simplify right side
    7,478.76x = 34,707,254.01
  5. Step 5: Solve for x
    x = 34,707,254.01/7,478.76
  6. Step 6: Final answer
    x = 4,640.78

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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.