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Finding the Fourth Proportional to 6,840.05, 10,252.04 and 2,890.49

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Solution

The fourth proportional to 6,840.05, 10,252.04 and 2,890.49 is: 4,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.05 : 10,252.04 = 2,890.49 : x
  2. Step 2: Convert to fraction form
    6,840.05/10,252.04 = 2,890.49/x
  3. Step 3: Cross multiply
    6,840.05x = 10,252.04 × 2,890.49
  4. Step 4: Simplify right side
    6,840.05x = 29,633,353.39
  5. Step 5: Solve for x
    x = 29,633,353.39/6,840.05
  6. Step 6: Final answer
    x = 4,332.33

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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.