Home / 8,743.90-13,118.88-2,900.96

Finding the Fourth Proportional to 8,743.90, 13,118.88 and 2,900.96

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Solution

The fourth proportional to 8,743.90, 13,118.88 and 2,900.96 is: 4,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.90 : 13,118.88 = 2,900.96 : x
  2. Step 2: Convert to fraction form
    8,743.90/13,118.88 = 2,900.96/x
  3. Step 3: Cross multiply
    8,743.90x = 13,118.88 × 2,900.96
  4. Step 4: Simplify right side
    8,743.90x = 38,057,346.12
  5. Step 5: Solve for x
    x = 38,057,346.12/8,743.90
  6. Step 6: Final answer
    x = 4,352.45

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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.