Home / 4,103.07-6,143.67-2,151.18

Finding the Fourth Proportional to 4,103.07, 6,143.67 and 2,151.18

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Solution

The fourth proportional to 4,103.07, 6,143.67 and 2,151.18 is: 3,221.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.07 : 6,143.67 = 2,151.18 : x
  2. Step 2: Convert to fraction form
    4,103.07/6,143.67 = 2,151.18/x
  3. Step 3: Cross multiply
    4,103.07x = 6,143.67 × 2,151.18
  4. Step 4: Simplify right side
    4,103.07x = 13,216,140.03
  5. Step 5: Solve for x
    x = 13,216,140.03/4,103.07
  6. Step 6: Final answer
    x = 3,221.04

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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.