Home / 4,814.80-6,638.25-3,949.26

Finding the Fourth Proportional to 4,814.80, 6,638.25 and 3,949.26

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Solution

The fourth proportional to 4,814.80, 6,638.25 and 3,949.26 is: 5,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.80 : 6,638.25 = 3,949.26 : x
  2. Step 2: Convert to fraction form
    4,814.80/6,638.25 = 3,949.26/x
  3. Step 3: Cross multiply
    4,814.80x = 6,638.25 × 3,949.26
  4. Step 4: Simplify right side
    4,814.80x = 26,216,175.20
  5. Step 5: Solve for x
    x = 26,216,175.20/4,814.80
  6. Step 6: Final answer
    x = 5,444.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.