Home / 5,490.30-8,235.42-2,203.35

Finding the Fourth Proportional to 5,490.30, 8,235.42 and 2,203.35

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Solution

The fourth proportional to 5,490.30, 8,235.42 and 2,203.35 is: 3,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.30 : 8,235.42 = 2,203.35 : x
  2. Step 2: Convert to fraction form
    5,490.30/8,235.42 = 2,203.35/x
  3. Step 3: Cross multiply
    5,490.30x = 8,235.42 × 2,203.35
  4. Step 4: Simplify right side
    5,490.30x = 18,145,512.66
  5. Step 5: Solve for x
    x = 18,145,512.66/5,490.30
  6. Step 6: Final answer
    x = 3,305.01

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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.