Home / 5,842.97-8,756.91-2,140.79

Finding the Fourth Proportional to 5,842.97, 8,756.91 and 2,140.79

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Solution

The fourth proportional to 5,842.97, 8,756.91 and 2,140.79 is: 3,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.97 : 8,756.91 = 2,140.79 : x
  2. Step 2: Convert to fraction form
    5,842.97/8,756.91 = 2,140.79/x
  3. Step 3: Cross multiply
    5,842.97x = 8,756.91 × 2,140.79
  4. Step 4: Simplify right side
    5,842.97x = 18,746,661.57
  5. Step 5: Solve for x
    x = 18,746,661.57/5,842.97
  6. Step 6: Final answer
    x = 3,208.42

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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.