Home / 4,772.82-7,158.88-2,431.36

Finding the Fourth Proportional to 4,772.82, 7,158.88 and 2,431.36

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Solution

The fourth proportional to 4,772.82, 7,158.88 and 2,431.36 is: 3,646.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.82 : 7,158.88 = 2,431.36 : x
  2. Step 2: Convert to fraction form
    4,772.82/7,158.88 = 2,431.36/x
  3. Step 3: Cross multiply
    4,772.82x = 7,158.88 × 2,431.36
  4. Step 4: Simplify right side
    4,772.82x = 17,405,814.48
  5. Step 5: Solve for x
    x = 17,405,814.48/4,772.82
  6. Step 6: Final answer
    x = 3,646.86

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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.