Home / 4,140.08-5,712.39-3,021.62

Finding the Fourth Proportional to 4,140.08, 5,712.39 and 3,021.62

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Solution

The fourth proportional to 4,140.08, 5,712.39 and 3,021.62 is: 4,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.08 : 5,712.39 = 3,021.62 : x
  2. Step 2: Convert to fraction form
    4,140.08/5,712.39 = 3,021.62/x
  3. Step 3: Cross multiply
    4,140.08x = 5,712.39 × 3,021.62
  4. Step 4: Simplify right side
    4,140.08x = 17,260,671.87
  5. Step 5: Solve for x
    x = 17,260,671.87/4,140.08
  6. Step 6: Final answer
    x = 4,169.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.