Home / 9,163.75-12,646.02-4,972

Finding the Fourth Proportional to 9,163.75, 12,646.02 and 4,972

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Solution

The fourth proportional to 9,163.75, 12,646.02 and 4,972 is: 6,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.75 : 12,646.02 = 4,972 : x
  2. Step 2: Convert to fraction form
    9,163.75/12,646.02 = 4,972/x
  3. Step 3: Cross multiply
    9,163.75x = 12,646.02 × 4,972
  4. Step 4: Simplify right side
    9,163.75x = 62,876,011.44
  5. Step 5: Solve for x
    x = 62,876,011.44/9,163.75
  6. Step 6: Final answer
    x = 6,861.38

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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.