Home / 8,988.90-13,478.48-3,793.56

Finding the Fourth Proportional to 8,988.90, 13,478.48 and 3,793.56

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Solution

The fourth proportional to 8,988.90, 13,478.48 and 3,793.56 is: 5,688.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.90 : 13,478.48 = 3,793.56 : x
  2. Step 2: Convert to fraction form
    8,988.90/13,478.48 = 3,793.56/x
  3. Step 3: Cross multiply
    8,988.90x = 13,478.48 × 3,793.56
  4. Step 4: Simplify right side
    8,988.90x = 51,131,422.59
  5. Step 5: Solve for x
    x = 51,131,422.59/8,988.90
  6. Step 6: Final answer
    x = 5,688.28

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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.