Home / 7,716.18-11,574.74-2,169.98

Finding the Fourth Proportional to 7,716.18, 11,574.74 and 2,169.98

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Solution

The fourth proportional to 7,716.18, 11,574.74 and 2,169.98 is: 3,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.18 : 11,574.74 = 2,169.98 : x
  2. Step 2: Convert to fraction form
    7,716.18/11,574.74 = 2,169.98/x
  3. Step 3: Cross multiply
    7,716.18x = 11,574.74 × 2,169.98
  4. Step 4: Simplify right side
    7,716.18x = 25,116,954.31
  5. Step 5: Solve for x
    x = 25,116,954.31/7,716.18
  6. Step 6: Final answer
    x = 3,255.10

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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.