Home / 4,098.08-6,142.88-1,906.24

Finding the Fourth Proportional to 4,098.08, 6,142.88 and 1,906.24

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Solution

The fourth proportional to 4,098.08, 6,142.88 and 1,906.24 is: 2,857.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.08 : 6,142.88 = 1,906.24 : x
  2. Step 2: Convert to fraction form
    4,098.08/6,142.88 = 1,906.24/x
  3. Step 3: Cross multiply
    4,098.08x = 6,142.88 × 1,906.24
  4. Step 4: Simplify right side
    4,098.08x = 11,709,803.57
  5. Step 5: Solve for x
    x = 11,709,803.57/4,098.08
  6. Step 6: Final answer
    x = 2,857.39

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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.