Home / 7,531.92-11,299.32-2,918.16

Finding the Fourth Proportional to 7,531.92, 11,299.32 and 2,918.16

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Solution

The fourth proportional to 7,531.92, 11,299.32 and 2,918.16 is: 4,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.92 : 11,299.32 = 2,918.16 : x
  2. Step 2: Convert to fraction form
    7,531.92/11,299.32 = 2,918.16/x
  3. Step 3: Cross multiply
    7,531.92x = 11,299.32 × 2,918.16
  4. Step 4: Simplify right side
    7,531.92x = 32,973,223.65
  5. Step 5: Solve for x
    x = 32,973,223.65/7,531.92
  6. Step 6: Final answer
    x = 4,377.80

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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.