Home / 4,518.90-6,777.09-2,177.28

Finding the Fourth Proportional to 4,518.90, 6,777.09 and 2,177.28

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Solution

The fourth proportional to 4,518.90, 6,777.09 and 2,177.28 is: 3,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.90 : 6,777.09 = 2,177.28 : x
  2. Step 2: Convert to fraction form
    4,518.90/6,777.09 = 2,177.28/x
  3. Step 3: Cross multiply
    4,518.90x = 6,777.09 × 2,177.28
  4. Step 4: Simplify right side
    4,518.90x = 14,755,622.52
  5. Step 5: Solve for x
    x = 14,755,622.52/4,518.90
  6. Step 6: Final answer
    x = 3,265.31

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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.