Home / 5,110.56-7,047.90-3,787.56

Finding the Fourth Proportional to 5,110.56, 7,047.90 and 3,787.56

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Solution

The fourth proportional to 5,110.56, 7,047.90 and 3,787.56 is: 5,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.56 : 7,047.90 = 3,787.56 : x
  2. Step 2: Convert to fraction form
    5,110.56/7,047.90 = 3,787.56/x
  3. Step 3: Cross multiply
    5,110.56x = 7,047.90 × 3,787.56
  4. Step 4: Simplify right side
    5,110.56x = 26,694,344.12
  5. Step 5: Solve for x
    x = 26,694,344.12/5,110.56
  6. Step 6: Final answer
    x = 5,223.37

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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.