Home / 4,949.95-7,422.61-2,870.55

Finding the Fourth Proportional to 4,949.95, 7,422.61 and 2,870.55

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Solution

The fourth proportional to 4,949.95, 7,422.61 and 2,870.55 is: 4,304.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.95 : 7,422.61 = 2,870.55 : x
  2. Step 2: Convert to fraction form
    4,949.95/7,422.61 = 2,870.55/x
  3. Step 3: Cross multiply
    4,949.95x = 7,422.61 × 2,870.55
  4. Step 4: Simplify right side
    4,949.95x = 21,306,921.67
  5. Step 5: Solve for x
    x = 21,306,921.67/4,949.95
  6. Step 6: Final answer
    x = 4,304.47

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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.