Home / 6,786.70-10,180.65-1,856.36

Finding the Fourth Proportional to 6,786.70, 10,180.65 and 1,856.36

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Solution

The fourth proportional to 6,786.70, 10,180.65 and 1,856.36 is: 2,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.70 : 10,180.65 = 1,856.36 : x
  2. Step 2: Convert to fraction form
    6,786.70/10,180.65 = 1,856.36/x
  3. Step 3: Cross multiply
    6,786.70x = 10,180.65 × 1,856.36
  4. Step 4: Simplify right side
    6,786.70x = 18,898,951.43
  5. Step 5: Solve for x
    x = 18,898,951.43/6,786.70
  6. Step 6: Final answer
    x = 2,784.70

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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.