Home / 6,601.70-9,110.55-3,617.72

Finding the Fourth Proportional to 6,601.70, 9,110.55 and 3,617.72

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Solution

The fourth proportional to 6,601.70, 9,110.55 and 3,617.72 is: 4,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.70 : 9,110.55 = 3,617.72 : x
  2. Step 2: Convert to fraction form
    6,601.70/9,110.55 = 3,617.72/x
  3. Step 3: Cross multiply
    6,601.70x = 9,110.55 × 3,617.72
  4. Step 4: Simplify right side
    6,601.70x = 32,959,418.95
  5. Step 5: Solve for x
    x = 32,959,418.95/6,601.70
  6. Step 6: Final answer
    x = 4,992.57

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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.