Home / 5,712.08-8,568.52-1,816.80

Finding the Fourth Proportional to 5,712.08, 8,568.52 and 1,816.80

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Solution

The fourth proportional to 5,712.08, 8,568.52 and 1,816.80 is: 2,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.08 : 8,568.52 = 1,816.80 : x
  2. Step 2: Convert to fraction form
    5,712.08/8,568.52 = 1,816.80/x
  3. Step 3: Cross multiply
    5,712.08x = 8,568.52 × 1,816.80
  4. Step 4: Simplify right side
    5,712.08x = 15,567,287.14
  5. Step 5: Solve for x
    x = 15,567,287.14/5,712.08
  6. Step 6: Final answer
    x = 2,725.33

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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.