Home / 5,781.78-8,674.02-2,083.32

Finding the Fourth Proportional to 5,781.78, 8,674.02 and 2,083.32

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Solution

The fourth proportional to 5,781.78, 8,674.02 and 2,083.32 is: 3,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.78 : 8,674.02 = 2,083.32 : x
  2. Step 2: Convert to fraction form
    5,781.78/8,674.02 = 2,083.32/x
  3. Step 3: Cross multiply
    5,781.78x = 8,674.02 × 2,083.32
  4. Step 4: Simplify right side
    5,781.78x = 18,070,759.35
  5. Step 5: Solve for x
    x = 18,070,759.35/5,781.78
  6. Step 6: Final answer
    x = 3,125.47

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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.