Home / 5,230.73-7,216.64-2,991.01

Finding the Fourth Proportional to 5,230.73, 7,216.64 and 2,991.01

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Solution

The fourth proportional to 5,230.73, 7,216.64 and 2,991.01 is: 4,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.73 : 7,216.64 = 2,991.01 : x
  2. Step 2: Convert to fraction form
    5,230.73/7,216.64 = 2,991.01/x
  3. Step 3: Cross multiply
    5,230.73x = 7,216.64 × 2,991.01
  4. Step 4: Simplify right side
    5,230.73x = 21,585,042.41
  5. Step 5: Solve for x
    x = 21,585,042.41/5,230.73
  6. Step 6: Final answer
    x = 4,126.58

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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.