Home / 10,370.07-15,555.32-2,578.88

Finding the Fourth Proportional to 10,370.07, 15,555.32 and 2,578.88

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Solution

The fourth proportional to 10,370.07, 15,555.32 and 2,578.88 is: 3,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.07 : 15,555.32 = 2,578.88 : x
  2. Step 2: Convert to fraction form
    10,370.07/15,555.32 = 2,578.88/x
  3. Step 3: Cross multiply
    10,370.07x = 15,555.32 × 2,578.88
  4. Step 4: Simplify right side
    10,370.07x = 40,115,212.97
  5. Step 5: Solve for x
    x = 40,115,212.97/10,370.07
  6. Step 6: Final answer
    x = 3,868.36

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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.