Home / 8,756.90-13,127.96-4,074.49

Finding the Fourth Proportional to 8,756.90, 13,127.96 and 4,074.49

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Solution

The fourth proportional to 8,756.90, 13,127.96 and 4,074.49 is: 6,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.90 : 13,127.96 = 4,074.49 : x
  2. Step 2: Convert to fraction form
    8,756.90/13,127.96 = 4,074.49/x
  3. Step 3: Cross multiply
    8,756.90x = 13,127.96 × 4,074.49
  4. Step 4: Simplify right side
    8,756.90x = 53,489,721.37
  5. Step 5: Solve for x
    x = 53,489,721.37/8,756.90
  6. Step 6: Final answer
    x = 6,108.29

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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.