Home / 8,756.55-13,127.43-4,074.17

Finding the Fourth Proportional to 8,756.55, 13,127.43 and 4,074.17

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Solution

The fourth proportional to 8,756.55, 13,127.43 and 4,074.17 is: 6,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.55 : 13,127.43 = 4,074.17 : x
  2. Step 2: Convert to fraction form
    8,756.55/13,127.43 = 4,074.17/x
  3. Step 3: Cross multiply
    8,756.55x = 13,127.43 × 4,074.17
  4. Step 4: Simplify right side
    8,756.55x = 53,483,315.85
  5. Step 5: Solve for x
    x = 53,483,315.85/8,756.55
  6. Step 6: Final answer
    x = 6,107.81

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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.