Home / 5,687.04-8,532.99-2,178.09

Finding the Fourth Proportional to 5,687.04, 8,532.99 and 2,178.09

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Solution

The fourth proportional to 5,687.04, 8,532.99 and 2,178.09 is: 3,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.04 : 8,532.99 = 2,178.09 : x
  2. Step 2: Convert to fraction form
    5,687.04/8,532.99 = 2,178.09/x
  3. Step 3: Cross multiply
    5,687.04x = 8,532.99 × 2,178.09
  4. Step 4: Simplify right side
    5,687.04x = 18,585,620.19
  5. Step 5: Solve for x
    x = 18,585,620.19/5,687.04
  6. Step 6: Final answer
    x = 3,268.07

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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.