Home / 9,191.37-13,784.78-2,617.62

Finding the Fourth Proportional to 9,191.37, 13,784.78 and 2,617.62

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Solution

The fourth proportional to 9,191.37, 13,784.78 and 2,617.62 is: 3,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.37 : 13,784.78 = 2,617.62 : x
  2. Step 2: Convert to fraction form
    9,191.37/13,784.78 = 2,617.62/x
  3. Step 3: Cross multiply
    9,191.37x = 13,784.78 × 2,617.62
  4. Step 4: Simplify right side
    9,191.37x = 36,083,270.67
  5. Step 5: Solve for x
    x = 36,083,270.67/9,191.37
  6. Step 6: Final answer
    x = 3,925.78

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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.