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Finding the Fourth Proportional to 9,175.11, 13,762.53 and 2,935.05

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Solution

The fourth proportional to 9,175.11, 13,762.53 and 2,935.05 is: 4,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.11 : 13,762.53 = 2,935.05 : x
  2. Step 2: Convert to fraction form
    9,175.11/13,762.53 = 2,935.05/x
  3. Step 3: Cross multiply
    9,175.11x = 13,762.53 × 2,935.05
  4. Step 4: Simplify right side
    9,175.11x = 40,393,713.68
  5. Step 5: Solve for x
    x = 40,393,713.68/9,175.11
  6. Step 6: Final answer
    x = 4,402.53

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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.