Home / 5,711.04-8,571.42-2,790.18

Finding the Fourth Proportional to 5,711.04, 8,571.42 and 2,790.18

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Solution

The fourth proportional to 5,711.04, 8,571.42 and 2,790.18 is: 4,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.04 : 8,571.42 = 2,790.18 : x
  2. Step 2: Convert to fraction form
    5,711.04/8,571.42 = 2,790.18/x
  3. Step 3: Cross multiply
    5,711.04x = 8,571.42 × 2,790.18
  4. Step 4: Simplify right side
    5,711.04x = 23,915,804.66
  5. Step 5: Solve for x
    x = 23,915,804.66/5,711.04
  6. Step 6: Final answer
    x = 4,187.64

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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.