Home / 7,411.39-11,112.99-3,031.93

Finding the Fourth Proportional to 7,411.39, 11,112.99 and 3,031.93

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Solution

The fourth proportional to 7,411.39, 11,112.99 and 3,031.93 is: 4,546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.39 : 11,112.99 = 3,031.93 : x
  2. Step 2: Convert to fraction form
    7,411.39/11,112.99 = 3,031.93/x
  3. Step 3: Cross multiply
    7,411.39x = 11,112.99 × 3,031.93
  4. Step 4: Simplify right side
    7,411.39x = 33,693,737.05
  5. Step 5: Solve for x
    x = 33,693,737.05/7,411.39
  6. Step 6: Final answer
    x = 4,546.21

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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.