Home / 8,741.10-13,109.78-2,818.52

Finding the Fourth Proportional to 8,741.10, 13,109.78 and 2,818.52

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Solution

The fourth proportional to 8,741.10, 13,109.78 and 2,818.52 is: 4,227.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.10 : 13,109.78 = 2,818.52 : x
  2. Step 2: Convert to fraction form
    8,741.10/13,109.78 = 2,818.52/x
  3. Step 3: Cross multiply
    8,741.10x = 13,109.78 × 2,818.52
  4. Step 4: Simplify right side
    8,741.10x = 36,950,097.48
  5. Step 5: Solve for x
    x = 36,950,097.48/8,741.10
  6. Step 6: Final answer
    x = 4,227.17

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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.