Home / 7,824.96-11,740.68-4,311.36

Finding the Fourth Proportional to 7,824.96, 11,740.68 and 4,311.36

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Solution

The fourth proportional to 7,824.96, 11,740.68 and 4,311.36 is: 6,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.96 : 11,740.68 = 4,311.36 : x
  2. Step 2: Convert to fraction form
    7,824.96/11,740.68 = 4,311.36/x
  3. Step 3: Cross multiply
    7,824.96x = 11,740.68 × 4,311.36
  4. Step 4: Simplify right side
    7,824.96x = 50,618,298.12
  5. Step 5: Solve for x
    x = 50,618,298.12/7,824.96
  6. Step 6: Final answer
    x = 6,468.83

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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.