Home / 9,163.85-12,646.26-4,972.10

Finding the Fourth Proportional to 9,163.85, 12,646.26 and 4,972.10

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Solution

The fourth proportional to 9,163.85, 12,646.26 and 4,972.10 is: 6,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.85 : 12,646.26 = 4,972.10 : x
  2. Step 2: Convert to fraction form
    9,163.85/12,646.26 = 4,972.10/x
  3. Step 3: Cross multiply
    9,163.85x = 12,646.26 × 4,972.10
  4. Step 4: Simplify right side
    9,163.85x = 62,878,469.35
  5. Step 5: Solve for x
    x = 62,878,469.35/9,163.85
  6. Step 6: Final answer
    x = 6,861.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.