Home / 4,980.53-6,872.37-2,884.25

Finding the Fourth Proportional to 4,980.53, 6,872.37 and 2,884.25

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Solution

The fourth proportional to 4,980.53, 6,872.37 and 2,884.25 is: 3,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.53 : 6,872.37 = 2,884.25 : x
  2. Step 2: Convert to fraction form
    4,980.53/6,872.37 = 2,884.25/x
  3. Step 3: Cross multiply
    4,980.53x = 6,872.37 × 2,884.25
  4. Step 4: Simplify right side
    4,980.53x = 19,821,633.17
  5. Step 5: Solve for x
    x = 19,821,633.17/4,980.53
  6. Step 6: Final answer
    x = 3,979.82

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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.