Home / 4,845.62-6,686.86-2,721.18

Finding the Fourth Proportional to 4,845.62, 6,686.86 and 2,721.18

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Solution

The fourth proportional to 4,845.62, 6,686.86 and 2,721.18 is: 3,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.62 : 6,686.86 = 2,721.18 : x
  2. Step 2: Convert to fraction form
    4,845.62/6,686.86 = 2,721.18/x
  3. Step 3: Cross multiply
    4,845.62x = 6,686.86 × 2,721.18
  4. Step 4: Simplify right side
    4,845.62x = 18,196,149.69
  5. Step 5: Solve for x
    x = 18,196,149.69/4,845.62
  6. Step 6: Final answer
    x = 3,755.17

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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.