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Finding the Fourth Proportional to 5,394.39, 8,074.67 and 3,718.68

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Solution

The fourth proportional to 5,394.39, 8,074.67 and 3,718.68 is: 5,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.39 : 8,074.67 = 3,718.68 : x
  2. Step 2: Convert to fraction form
    5,394.39/8,074.67 = 3,718.68/x
  3. Step 3: Cross multiply
    5,394.39x = 8,074.67 × 3,718.68
  4. Step 4: Simplify right side
    5,394.39x = 30,027,095.24
  5. Step 5: Solve for x
    x = 30,027,095.24/5,394.39
  6. Step 6: Final answer
    x = 5,566.36

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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.