Home / 4,865.95-7,287.58-3,766.78

Finding the Fourth Proportional to 4,865.95, 7,287.58 and 3,766.78

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Solution

The fourth proportional to 4,865.95, 7,287.58 and 3,766.78 is: 5,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.95 : 7,287.58 = 3,766.78 : x
  2. Step 2: Convert to fraction form
    4,865.95/7,287.58 = 3,766.78/x
  3. Step 3: Cross multiply
    4,865.95x = 7,287.58 × 3,766.78
  4. Step 4: Simplify right side
    4,865.95x = 27,450,655.32
  5. Step 5: Solve for x
    x = 27,450,655.32/4,865.95
  6. Step 6: Final answer
    x = 5,641.38

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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.