Home / 5,454.90-8,187.24-2,859.66

Finding the Fourth Proportional to 5,454.90, 8,187.24 and 2,859.66

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Solution

The fourth proportional to 5,454.90, 8,187.24 and 2,859.66 is: 4,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.90 : 8,187.24 = 2,859.66 : x
  2. Step 2: Convert to fraction form
    5,454.90/8,187.24 = 2,859.66/x
  3. Step 3: Cross multiply
    5,454.90x = 8,187.24 × 2,859.66
  4. Step 4: Simplify right side
    5,454.90x = 23,412,722.74
  5. Step 5: Solve for x
    x = 23,412,722.74/5,454.90
  6. Step 6: Final answer
    x = 4,292.05

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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.