Home / 5,268.83-7,271.02-2,878.85

Finding the Fourth Proportional to 5,268.83, 7,271.02 and 2,878.85

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Solution

The fourth proportional to 5,268.83, 7,271.02 and 2,878.85 is: 3,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.83 : 7,271.02 = 2,878.85 : x
  2. Step 2: Convert to fraction form
    5,268.83/7,271.02 = 2,878.85/x
  3. Step 3: Cross multiply
    5,268.83x = 7,271.02 × 2,878.85
  4. Step 4: Simplify right side
    5,268.83x = 20,932,179.71
  5. Step 5: Solve for x
    x = 20,932,179.71/5,268.83
  6. Step 6: Final answer
    x = 3,972.83

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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.