Home / 5,181.42-7,150.61-2,943.26

Finding the Fourth Proportional to 5,181.42, 7,150.61 and 2,943.26

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Solution

The fourth proportional to 5,181.42, 7,150.61 and 2,943.26 is: 4,061.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.42 : 7,150.61 = 2,943.26 : x
  2. Step 2: Convert to fraction form
    5,181.42/7,150.61 = 2,943.26/x
  3. Step 3: Cross multiply
    5,181.42x = 7,150.61 × 2,943.26
  4. Step 4: Simplify right side
    5,181.42x = 21,046,075.99
  5. Step 5: Solve for x
    x = 21,046,075.99/5,181.42
  6. Step 6: Final answer
    x = 4,061.84

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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.