Home / 5,307.12-7,963.11-2,020.95

Finding the Fourth Proportional to 5,307.12, 7,963.11 and 2,020.95

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Solution

The fourth proportional to 5,307.12, 7,963.11 and 2,020.95 is: 3,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,307.12 : 7,963.11 = 2,020.95 : x
  2. Step 2: Convert to fraction form
    5,307.12/7,963.11 = 2,020.95/x
  3. Step 3: Cross multiply
    5,307.12x = 7,963.11 × 2,020.95
  4. Step 4: Simplify right side
    5,307.12x = 16,093,047.15
  5. Step 5: Solve for x
    x = 16,093,047.15/5,307.12
  6. Step 6: Final answer
    x = 3,032.35

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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.