Home / 7,913.06-11,872.32-2,984.11

Finding the Fourth Proportional to 7,913.06, 11,872.32 and 2,984.11

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Solution

The fourth proportional to 7,913.06, 11,872.32 and 2,984.11 is: 4,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.06 : 11,872.32 = 2,984.11 : x
  2. Step 2: Convert to fraction form
    7,913.06/11,872.32 = 2,984.11/x
  3. Step 3: Cross multiply
    7,913.06x = 11,872.32 × 2,984.11
  4. Step 4: Simplify right side
    7,913.06x = 35,428,249.47
  5. Step 5: Solve for x
    x = 35,428,249.47/7,913.06
  6. Step 6: Final answer
    x = 4,477.19

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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.