Home / 7,984.08-11,021.42-5,685.96

Finding the Fourth Proportional to 7,984.08, 11,021.42 and 5,685.96

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Solution

The fourth proportional to 7,984.08, 11,021.42 and 5,685.96 is: 7,849.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.08 : 11,021.42 = 5,685.96 : x
  2. Step 2: Convert to fraction form
    7,984.08/11,021.42 = 5,685.96/x
  3. Step 3: Cross multiply
    7,984.08x = 11,021.42 × 5,685.96
  4. Step 4: Simplify right side
    7,984.08x = 62,667,353.26
  5. Step 5: Solve for x
    x = 62,667,353.26/7,984.08
  6. Step 6: Final answer
    x = 7,849.04

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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.