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Finding the Fourth Proportional to 6,394.29, 9,588.17 and 2,928.57

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Solution

The fourth proportional to 6,394.29, 9,588.17 and 2,928.57 is: 4,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.29 : 9,588.17 = 2,928.57 : x
  2. Step 2: Convert to fraction form
    6,394.29/9,588.17 = 2,928.57/x
  3. Step 3: Cross multiply
    6,394.29x = 9,588.17 × 2,928.57
  4. Step 4: Simplify right side
    6,394.29x = 28,079,612.37
  5. Step 5: Solve for x
    x = 28,079,612.37/6,394.29
  6. Step 6: Final answer
    x = 4,391.36

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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.