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Finding the Fourth Proportional to 6,458.92, 9,684.48 and 2,900.39

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Solution

The fourth proportional to 6,458.92, 9,684.48 and 2,900.39 is: 4,348.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.92 : 9,684.48 = 2,900.39 : x
  2. Step 2: Convert to fraction form
    6,458.92/9,684.48 = 2,900.39/x
  3. Step 3: Cross multiply
    6,458.92x = 9,684.48 × 2,900.39
  4. Step 4: Simplify right side
    6,458.92x = 28,088,768.95
  5. Step 5: Solve for x
    x = 28,088,768.95/6,458.92
  6. Step 6: Final answer
    x = 4,348.83

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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.