Home / 4,868.39-7,290.28-3,219.94

Finding the Fourth Proportional to 4,868.39, 7,290.28 and 3,219.94

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Solution

The fourth proportional to 4,868.39, 7,290.28 and 3,219.94 is: 4,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.39 : 7,290.28 = 3,219.94 : x
  2. Step 2: Convert to fraction form
    4,868.39/7,290.28 = 3,219.94/x
  3. Step 3: Cross multiply
    4,868.39x = 7,290.28 × 3,219.94
  4. Step 4: Simplify right side
    4,868.39x = 23,474,264.18
  5. Step 5: Solve for x
    x = 23,474,264.18/4,868.39
  6. Step 6: Final answer
    x = 4,821.77

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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.