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Finding the Fourth Proportional to 9,330.57, 13,995.69 and 2,310.57

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Solution

The fourth proportional to 9,330.57, 13,995.69 and 2,310.57 is: 3,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.57 : 13,995.69 = 2,310.57 : x
  2. Step 2: Convert to fraction form
    9,330.57/13,995.69 = 2,310.57/x
  3. Step 3: Cross multiply
    9,330.57x = 13,995.69 × 2,310.57
  4. Step 4: Simplify right side
    9,330.57x = 32,338,021.44
  5. Step 5: Solve for x
    x = 32,338,021.44/9,330.57
  6. Step 6: Final answer
    x = 3,465.81

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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.