Home / 5,690.23-8,535.62-2,765.05

Finding the Fourth Proportional to 5,690.23, 8,535.62 and 2,765.05

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Solution

The fourth proportional to 5,690.23, 8,535.62 and 2,765.05 is: 4,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.23 : 8,535.62 = 2,765.05 : x
  2. Step 2: Convert to fraction form
    5,690.23/8,535.62 = 2,765.05/x
  3. Step 3: Cross multiply
    5,690.23x = 8,535.62 × 2,765.05
  4. Step 4: Simplify right side
    5,690.23x = 23,601,402.26
  5. Step 5: Solve for x
    x = 23,601,402.26/5,690.23
  6. Step 6: Final answer
    x = 4,147.71

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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.