Home / 8,163.29-12,242.98-3,776.53

Finding the Fourth Proportional to 8,163.29, 12,242.98 and 3,776.53

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Solution

The fourth proportional to 8,163.29, 12,242.98 and 3,776.53 is: 5,663.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.29 : 12,242.98 = 3,776.53 : x
  2. Step 2: Convert to fraction form
    8,163.29/12,242.98 = 3,776.53/x
  3. Step 3: Cross multiply
    8,163.29x = 12,242.98 × 3,776.53
  4. Step 4: Simplify right side
    8,163.29x = 46,235,981.26
  5. Step 5: Solve for x
    x = 46,235,981.26/8,163.29
  6. Step 6: Final answer
    x = 5,663.89

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1.5x scale

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.