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Finding the Fourth Proportional to 8,298.16, 11,449.02 and 4,939.29

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Solution

The fourth proportional to 8,298.16, 11,449.02 and 4,939.29 is: 6,814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.16 : 11,449.02 = 4,939.29 : x
  2. Step 2: Convert to fraction form
    8,298.16/11,449.02 = 4,939.29/x
  3. Step 3: Cross multiply
    8,298.16x = 11,449.02 × 4,939.29
  4. Step 4: Simplify right side
    8,298.16x = 56,549,972.75
  5. Step 5: Solve for x
    x = 56,549,972.75/8,298.16
  6. Step 6: Final answer
    x = 6,814.76

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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.