Home / 9,148.49-13,722.68-2,908.37

Finding the Fourth Proportional to 9,148.49, 13,722.68 and 2,908.37

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Solution

The fourth proportional to 9,148.49, 13,722.68 and 2,908.37 is: 4,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.49 : 13,722.68 = 2,908.37 : x
  2. Step 2: Convert to fraction form
    9,148.49/13,722.68 = 2,908.37/x
  3. Step 3: Cross multiply
    9,148.49x = 13,722.68 × 2,908.37
  4. Step 4: Simplify right side
    9,148.49x = 39,910,547.68
  5. Step 5: Solve for x
    x = 39,910,547.68/9,148.49
  6. Step 6: Final answer
    x = 4,362.53

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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.