Home / 6,787.30-10,180.92-1,856.80

Finding the Fourth Proportional to 6,787.30, 10,180.92 and 1,856.80

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Solution

The fourth proportional to 6,787.30, 10,180.92 and 1,856.80 is: 2,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.30 : 10,180.92 = 1,856.80 : x
  2. Step 2: Convert to fraction form
    6,787.30/10,180.92 = 1,856.80/x
  3. Step 3: Cross multiply
    6,787.30x = 10,180.92 × 1,856.80
  4. Step 4: Simplify right side
    6,787.30x = 18,903,932.26
  5. Step 5: Solve for x
    x = 18,903,932.26/6,787.30
  6. Step 6: Final answer
    x = 2,785.19

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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.