Home / 6,786.15-10,200.83-6,397.35

Finding the Fourth Proportional to 6,786.15, 10,200.83 and 6,397.35

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Solution

The fourth proportional to 6,786.15, 10,200.83 and 6,397.35 is: 9,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.15 : 10,200.83 = 6,397.35 : x
  2. Step 2: Convert to fraction form
    6,786.15/10,200.83 = 6,397.35/x
  3. Step 3: Cross multiply
    6,786.15x = 10,200.83 × 6,397.35
  4. Step 4: Simplify right side
    6,786.15x = 65,258,247.81
  5. Step 5: Solve for x
    x = 65,258,247.81/6,786.15
  6. Step 6: Final answer
    x = 9,616.39

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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.