Home / 5,406.90-8,107.45-2,773.33

Finding the Fourth Proportional to 5,406.90, 8,107.45 and 2,773.33

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Solution

The fourth proportional to 5,406.90, 8,107.45 and 2,773.33 is: 4,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.90 : 8,107.45 = 2,773.33 : x
  2. Step 2: Convert to fraction form
    5,406.90/8,107.45 = 2,773.33/x
  3. Step 3: Cross multiply
    5,406.90x = 8,107.45 × 2,773.33
  4. Step 4: Simplify right side
    5,406.90x = 22,484,615.21
  5. Step 5: Solve for x
    x = 22,484,615.21/5,406.90
  6. Step 6: Final answer
    x = 4,158.51

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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.