Home / 6,638.36-9,952.68-2,254.64

Finding the Fourth Proportional to 6,638.36, 9,952.68 and 2,254.64

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Solution

The fourth proportional to 6,638.36, 9,952.68 and 2,254.64 is: 3,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.36 : 9,952.68 = 2,254.64 : x
  2. Step 2: Convert to fraction form
    6,638.36/9,952.68 = 2,254.64/x
  3. Step 3: Cross multiply
    6,638.36x = 9,952.68 × 2,254.64
  4. Step 4: Simplify right side
    6,638.36x = 22,439,710.44
  5. Step 5: Solve for x
    x = 22,439,710.44/6,638.36
  6. Step 6: Final answer
    x = 3,380.31

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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.