Home / 5,080.92-7,011.63-2,842.80

Finding the Fourth Proportional to 5,080.92, 7,011.63 and 2,842.80

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Solution

The fourth proportional to 5,080.92, 7,011.63 and 2,842.80 is: 3,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.92 : 7,011.63 = 2,842.80 : x
  2. Step 2: Convert to fraction form
    5,080.92/7,011.63 = 2,842.80/x
  3. Step 3: Cross multiply
    5,080.92x = 7,011.63 × 2,842.80
  4. Step 4: Simplify right side
    5,080.92x = 19,932,661.76
  5. Step 5: Solve for x
    x = 19,932,661.76/5,080.92
  6. Step 6: Final answer
    x = 3,923.04

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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.