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Finding the Fourth Proportional to 6,894.06, 9,513.78 and 3,750.24

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Solution

The fourth proportional to 6,894.06, 9,513.78 and 3,750.24 is: 5,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.06 : 9,513.78 = 3,750.24 : x
  2. Step 2: Convert to fraction form
    6,894.06/9,513.78 = 3,750.24/x
  3. Step 3: Cross multiply
    6,894.06x = 9,513.78 × 3,750.24
  4. Step 4: Simplify right side
    6,894.06x = 35,678,958.31
  5. Step 5: Solve for x
    x = 35,678,958.31/6,894.06
  6. Step 6: Final answer
    x = 5,175.32

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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.