Home / 8,780.26-13,167.64-2,935.51

Finding the Fourth Proportional to 8,780.26, 13,167.64 and 2,935.51

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Solution

The fourth proportional to 8,780.26, 13,167.64 and 2,935.51 is: 4,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.26 : 13,167.64 = 2,935.51 : x
  2. Step 2: Convert to fraction form
    8,780.26/13,167.64 = 2,935.51/x
  3. Step 3: Cross multiply
    8,780.26x = 13,167.64 × 2,935.51
  4. Step 4: Simplify right side
    8,780.26x = 38,653,738.90
  5. Step 5: Solve for x
    x = 38,653,738.90/8,780.26
  6. Step 6: Final answer
    x = 4,402.35

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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.