Home / 7,810.85-11,717.30-2,883.95

Finding the Fourth Proportional to 7,810.85, 11,717.30 and 2,883.95

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Solution

The fourth proportional to 7,810.85, 11,717.30 and 2,883.95 is: 4,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.85 : 11,717.30 = 2,883.95 : x
  2. Step 2: Convert to fraction form
    7,810.85/11,717.30 = 2,883.95/x
  3. Step 3: Cross multiply
    7,810.85x = 11,717.30 × 2,883.95
  4. Step 4: Simplify right side
    7,810.85x = 33,792,107.34
  5. Step 5: Solve for x
    x = 33,792,107.34/7,810.85
  6. Step 6: Final answer
    x = 4,326.30

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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.