Home / 6,787.30-10,180.47-2,107.19

Finding the Fourth Proportional to 6,787.30, 10,180.47 and 2,107.19

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Solution

The fourth proportional to 6,787.30, 10,180.47 and 2,107.19 is: 3,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.30 : 10,180.47 = 2,107.19 : x
  2. Step 2: Convert to fraction form
    6,787.30/10,180.47 = 2,107.19/x
  3. Step 3: Cross multiply
    6,787.30x = 10,180.47 × 2,107.19
  4. Step 4: Simplify right side
    6,787.30x = 21,452,202.13
  5. Step 5: Solve for x
    x = 21,452,202.13/6,787.30
  6. Step 6: Final answer
    x = 3,160.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.