Home / 5,740.07-8,614.96-2,279.75

Finding the Fourth Proportional to 5,740.07, 8,614.96 and 2,279.75

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Solution

The fourth proportional to 5,740.07, 8,614.96 and 2,279.75 is: 3,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.07 : 8,614.96 = 2,279.75 : x
  2. Step 2: Convert to fraction form
    5,740.07/8,614.96 = 2,279.75/x
  3. Step 3: Cross multiply
    5,740.07x = 8,614.96 × 2,279.75
  4. Step 4: Simplify right side
    5,740.07x = 19,639,906.29
  5. Step 5: Solve for x
    x = 19,639,906.29/5,740.07
  6. Step 6: Final answer
    x = 3,421.55

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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.