Home / 5,808.26-8,015.45-3,155.69

Finding the Fourth Proportional to 5,808.26, 8,015.45 and 3,155.69

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Solution

The fourth proportional to 5,808.26, 8,015.45 and 3,155.69 is: 4,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.26 : 8,015.45 = 3,155.69 : x
  2. Step 2: Convert to fraction form
    5,808.26/8,015.45 = 3,155.69/x
  3. Step 3: Cross multiply
    5,808.26x = 8,015.45 × 3,155.69
  4. Step 4: Simplify right side
    5,808.26x = 25,294,219.55
  5. Step 5: Solve for x
    x = 25,294,219.55/5,808.26
  6. Step 6: Final answer
    x = 4,354.87

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1.5x scale

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.