Home / 4,869.14-6,721.64-3,190.60

Finding the Fourth Proportional to 4,869.14, 6,721.64 and 3,190.60

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Solution

The fourth proportional to 4,869.14, 6,721.64 and 3,190.60 is: 4,404.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.14 : 6,721.64 = 3,190.60 : x
  2. Step 2: Convert to fraction form
    4,869.14/6,721.64 = 3,190.60/x
  3. Step 3: Cross multiply
    4,869.14x = 6,721.64 × 3,190.60
  4. Step 4: Simplify right side
    4,869.14x = 21,446,064.58
  5. Step 5: Solve for x
    x = 21,446,064.58/4,869.14
  6. Step 6: Final answer
    x = 4,404.49

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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.