Home / 7,911.53-11,867.96-2,068.13

Finding the Fourth Proportional to 7,911.53, 11,867.96 and 2,068.13

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Solution

The fourth proportional to 7,911.53, 11,867.96 and 2,068.13 is: 3,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,911.53 : 11,867.96 = 2,068.13 : x
  2. Step 2: Convert to fraction form
    7,911.53/11,867.96 = 2,068.13/x
  3. Step 3: Cross multiply
    7,911.53x = 11,867.96 × 2,068.13
  4. Step 4: Simplify right side
    7,911.53x = 24,544,429.95
  5. Step 5: Solve for x
    x = 24,544,429.95/7,911.53
  6. Step 6: Final answer
    x = 3,102.36

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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.