Home / 7,920.96-11,884.14-5,299.08

Finding the Fourth Proportional to 7,920.96, 11,884.14 and 5,299.08

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Solution

The fourth proportional to 7,920.96, 11,884.14 and 5,299.08 is: 7,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.96 : 11,884.14 = 5,299.08 : x
  2. Step 2: Convert to fraction form
    7,920.96/11,884.14 = 5,299.08/x
  3. Step 3: Cross multiply
    7,920.96x = 11,884.14 × 5,299.08
  4. Step 4: Simplify right side
    7,920.96x = 62,975,008.59
  5. Step 5: Solve for x
    x = 62,975,008.59/7,920.96
  6. Step 6: Final answer
    x = 7,950.43

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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.