Home / 7,887.98-11,828.50-2,954.15

Finding the Fourth Proportional to 7,887.98, 11,828.50 and 2,954.15

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Solution

The fourth proportional to 7,887.98, 11,828.50 and 2,954.15 is: 4,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.98 : 11,828.50 = 2,954.15 : x
  2. Step 2: Convert to fraction form
    7,887.98/11,828.50 = 2,954.15/x
  3. Step 3: Cross multiply
    7,887.98x = 11,828.50 × 2,954.15
  4. Step 4: Simplify right side
    7,887.98x = 34,943,163.28
  5. Step 5: Solve for x
    x = 34,943,163.28/7,887.98
  6. Step 6: Final answer
    x = 4,429.93

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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.