Home / 6,845.43-10,263.86-3,142.91

Finding the Fourth Proportional to 6,845.43, 10,263.86 and 3,142.91

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Solution

The fourth proportional to 6,845.43, 10,263.86 and 3,142.91 is: 4,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.43 : 10,263.86 = 3,142.91 : x
  2. Step 2: Convert to fraction form
    6,845.43/10,263.86 = 3,142.91/x
  3. Step 3: Cross multiply
    6,845.43x = 10,263.86 × 3,142.91
  4. Step 4: Simplify right side
    6,845.43x = 32,258,321.20
  5. Step 5: Solve for x
    x = 32,258,321.20/6,845.43
  6. Step 6: Final answer
    x = 4,712.39

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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.