Home / 5,181.01-7,149.80-2,823.30

Finding the Fourth Proportional to 5,181.01, 7,149.80 and 2,823.30

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Solution

The fourth proportional to 5,181.01, 7,149.80 and 2,823.30 is: 3,896.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.01 : 7,149.80 = 2,823.30 : x
  2. Step 2: Convert to fraction form
    5,181.01/7,149.80 = 2,823.30/x
  3. Step 3: Cross multiply
    5,181.01x = 7,149.80 × 2,823.30
  4. Step 4: Simplify right side
    5,181.01x = 20,186,037.40
  5. Step 5: Solve for x
    x = 20,186,037.40/5,181.01
  6. Step 6: Final answer
    x = 3,896.16

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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.