Home / 7,163.66-10,729.91-4,381.92

Finding the Fourth Proportional to 7,163.66, 10,729.91 and 4,381.92

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Solution

The fourth proportional to 7,163.66, 10,729.91 and 4,381.92 is: 6,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.66 : 10,729.91 = 4,381.92 : x
  2. Step 2: Convert to fraction form
    7,163.66/10,729.91 = 4,381.92/x
  3. Step 3: Cross multiply
    7,163.66x = 10,729.91 × 4,381.92
  4. Step 4: Simplify right side
    7,163.66x = 47,017,618.18
  5. Step 5: Solve for x
    x = 47,017,618.18/7,163.66
  6. Step 6: Final answer
    x = 6,563.35

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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.