Home / 5,268.30-7,902.90-1,805.55

Finding the Fourth Proportional to 5,268.30, 7,902.90 and 1,805.55

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Solution

The fourth proportional to 5,268.30, 7,902.90 and 1,805.55 is: 2,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.30 : 7,902.90 = 1,805.55 : x
  2. Step 2: Convert to fraction form
    5,268.30/7,902.90 = 1,805.55/x
  3. Step 3: Cross multiply
    5,268.30x = 7,902.90 × 1,805.55
  4. Step 4: Simplify right side
    5,268.30x = 14,269,081.10
  5. Step 5: Solve for x
    x = 14,269,081.10/5,268.30
  6. Step 6: Final answer
    x = 2,708.48

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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.