Home / 8,263.31-12,395.75-2,716.70

Finding the Fourth Proportional to 8,263.31, 12,395.75 and 2,716.70

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Solution

The fourth proportional to 8,263.31, 12,395.75 and 2,716.70 is: 4,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.31 : 12,395.75 = 2,716.70 : x
  2. Step 2: Convert to fraction form
    8,263.31/12,395.75 = 2,716.70/x
  3. Step 3: Cross multiply
    8,263.31x = 12,395.75 × 2,716.70
  4. Step 4: Simplify right side
    8,263.31x = 33,675,458.46
  5. Step 5: Solve for x
    x = 33,675,458.46/8,263.31
  6. Step 6: Final answer
    x = 4,075.30

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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.