Home / 5,114.37-7,057.90-2,991.23

Finding the Fourth Proportional to 5,114.37, 7,057.90 and 2,991.23

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Solution

The fourth proportional to 5,114.37, 7,057.90 and 2,991.23 is: 4,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.37 : 7,057.90 = 2,991.23 : x
  2. Step 2: Convert to fraction form
    5,114.37/7,057.90 = 2,991.23/x
  3. Step 3: Cross multiply
    5,114.37x = 7,057.90 × 2,991.23
  4. Step 4: Simplify right side
    5,114.37x = 21,111,797.13
  5. Step 5: Solve for x
    x = 21,111,797.13/5,114.37
  6. Step 6: Final answer
    x = 4,127.93

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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.