Home / 8,743.71-13,112.73-2,898.75

Finding the Fourth Proportional to 8,743.71, 13,112.73 and 2,898.75

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Solution

The fourth proportional to 8,743.71, 13,112.73 and 2,898.75 is: 4,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.71 : 13,112.73 = 2,898.75 : x
  2. Step 2: Convert to fraction form
    8,743.71/13,112.73 = 2,898.75/x
  3. Step 3: Cross multiply
    8,743.71x = 13,112.73 × 2,898.75
  4. Step 4: Simplify right side
    8,743.71x = 38,010,526.09
  5. Step 5: Solve for x
    x = 38,010,526.09/8,743.71
  6. Step 6: Final answer
    x = 4,347.19

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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.