Home / 6,778.60-10,167.26-2,160.36

Finding the Fourth Proportional to 6,778.60, 10,167.26 and 2,160.36

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Solution

The fourth proportional to 6,778.60, 10,167.26 and 2,160.36 is: 3,240.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.60 : 10,167.26 = 2,160.36 : x
  2. Step 2: Convert to fraction form
    6,778.60/10,167.26 = 2,160.36/x
  3. Step 3: Cross multiply
    6,778.60x = 10,167.26 × 2,160.36
  4. Step 4: Simplify right side
    6,778.60x = 21,964,941.81
  5. Step 5: Solve for x
    x = 21,964,941.81/6,778.60
  6. Step 6: Final answer
    x = 3,240.34

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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.