Home / 5,225.73-7,211.66-2,868.02

Finding the Fourth Proportional to 5,225.73, 7,211.66 and 2,868.02

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Solution

The fourth proportional to 5,225.73, 7,211.66 and 2,868.02 is: 3,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.73 : 7,211.66 = 2,868.02 : x
  2. Step 2: Convert to fraction form
    5,225.73/7,211.66 = 2,868.02/x
  3. Step 3: Cross multiply
    5,225.73x = 7,211.66 × 2,868.02
  4. Step 4: Simplify right side
    5,225.73x = 20,683,188.80
  5. Step 5: Solve for x
    x = 20,683,188.80/5,225.73
  6. Step 6: Final answer
    x = 3,957.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.