Home / 5,375.55-8,060.58-1,865.19

Finding the Fourth Proportional to 5,375.55, 8,060.58 and 1,865.19

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Solution

The fourth proportional to 5,375.55, 8,060.58 and 1,865.19 is: 2,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.55 : 8,060.58 = 1,865.19 : x
  2. Step 2: Convert to fraction form
    5,375.55/8,060.58 = 1,865.19/x
  3. Step 3: Cross multiply
    5,375.55x = 8,060.58 × 1,865.19
  4. Step 4: Simplify right side
    5,375.55x = 15,034,513.21
  5. Step 5: Solve for x
    x = 15,034,513.21/5,375.55
  6. Step 6: Final answer
    x = 2,796.83

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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.