Home / 5,490.17-8,235.97-1,791.10

Finding the Fourth Proportional to 5,490.17, 8,235.97 and 1,791.10

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Solution

The fourth proportional to 5,490.17, 8,235.97 and 1,791.10 is: 2,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.17 : 8,235.97 = 1,791.10 : x
  2. Step 2: Convert to fraction form
    5,490.17/8,235.97 = 1,791.10/x
  3. Step 3: Cross multiply
    5,490.17x = 8,235.97 × 1,791.10
  4. Step 4: Simplify right side
    5,490.17x = 14,751,445.87
  5. Step 5: Solve for x
    x = 14,751,445.87/5,490.17
  6. Step 6: Final answer
    x = 2,686.88

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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.