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Finding the Fourth Proportional to 4,929.14, 7,400.20 and 3,364.22

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Solution

The fourth proportional to 4,929.14, 7,400.20 and 3,364.22 is: 5,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.14 : 7,400.20 = 3,364.22 : x
  2. Step 2: Convert to fraction form
    4,929.14/7,400.20 = 3,364.22/x
  3. Step 3: Cross multiply
    4,929.14x = 7,400.20 × 3,364.22
  4. Step 4: Simplify right side
    4,929.14x = 24,895,900.84
  5. Step 5: Solve for x
    x = 24,895,900.84/4,929.14
  6. Step 6: Final answer
    x = 5,050.76

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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.