Home / 8,251.96-11,388.08-4,715.44

Finding the Fourth Proportional to 8,251.96, 11,388.08 and 4,715.44

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Solution

The fourth proportional to 8,251.96, 11,388.08 and 4,715.44 is: 6,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.96 : 11,388.08 = 4,715.44 : x
  2. Step 2: Convert to fraction form
    8,251.96/11,388.08 = 4,715.44/x
  3. Step 3: Cross multiply
    8,251.96x = 11,388.08 × 4,715.44
  4. Step 4: Simplify right side
    8,251.96x = 53,699,807.96
  5. Step 5: Solve for x
    x = 53,699,807.96/8,251.96
  6. Step 6: Final answer
    x = 6,507.52

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1.5x scale

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.