Home / 8,743.51-13,112.53-3,808.18

Finding the Fourth Proportional to 8,743.51, 13,112.53 and 3,808.18

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Solution

The fourth proportional to 8,743.51, 13,112.53 and 3,808.18 is: 5,711.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.51 : 13,112.53 = 3,808.18 : x
  2. Step 2: Convert to fraction form
    8,743.51/13,112.53 = 3,808.18/x
  3. Step 3: Cross multiply
    8,743.51x = 13,112.53 × 3,808.18
  4. Step 4: Simplify right side
    8,743.51x = 49,934,881.37
  5. Step 5: Solve for x
    x = 49,934,881.37/8,743.51
  6. Step 6: Final answer
    x = 5,711.08

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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.