Home / 8,094.87-12,143.46-3,935.12

Finding the Fourth Proportional to 8,094.87, 12,143.46 and 3,935.12

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Solution

The fourth proportional to 8,094.87, 12,143.46 and 3,935.12 is: 5,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.87 : 12,143.46 = 3,935.12 : x
  2. Step 2: Convert to fraction form
    8,094.87/12,143.46 = 3,935.12/x
  3. Step 3: Cross multiply
    8,094.87x = 12,143.46 × 3,935.12
  4. Step 4: Simplify right side
    8,094.87x = 47,785,911.60
  5. Step 5: Solve for x
    x = 47,785,911.60/8,094.87
  6. Step 6: Final answer
    x = 5,903.23

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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.