Home / 6,778.32-10,168.40-2,098.71

Finding the Fourth Proportional to 6,778.32, 10,168.40 and 2,098.71

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Solution

The fourth proportional to 6,778.32, 10,168.40 and 2,098.71 is: 3,148.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.32 : 10,168.40 = 2,098.71 : x
  2. Step 2: Convert to fraction form
    6,778.32/10,168.40 = 2,098.71/x
  3. Step 3: Cross multiply
    6,778.32x = 10,168.40 × 2,098.71
  4. Step 4: Simplify right side
    6,778.32x = 21,340,528.01
  5. Step 5: Solve for x
    x = 21,340,528.01/6,778.32
  6. Step 6: Final answer
    x = 3,148.35

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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.