Home / 5,055.28-6,976.69-2,787.02

Finding the Fourth Proportional to 5,055.28, 6,976.69 and 2,787.02

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Solution

The fourth proportional to 5,055.28, 6,976.69 and 2,787.02 is: 3,846.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.28 : 6,976.69 = 2,787.02 : x
  2. Step 2: Convert to fraction form
    5,055.28/6,976.69 = 2,787.02/x
  3. Step 3: Cross multiply
    5,055.28x = 6,976.69 × 2,787.02
  4. Step 4: Simplify right side
    5,055.28x = 19,444,174.56
  5. Step 5: Solve for x
    x = 19,444,174.56/5,055.28
  6. Step 6: Final answer
    x = 3,846.31

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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.