Home / 4,980.27-6,872.72-2,884.59

Finding the Fourth Proportional to 4,980.27, 6,872.72 and 2,884.59

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Solution

The fourth proportional to 4,980.27, 6,872.72 and 2,884.59 is: 3,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.27 : 6,872.72 = 2,884.59 : x
  2. Step 2: Convert to fraction form
    4,980.27/6,872.72 = 2,884.59/x
  3. Step 3: Cross multiply
    4,980.27x = 6,872.72 × 2,884.59
  4. Step 4: Simplify right side
    4,980.27x = 19,824,964.96
  5. Step 5: Solve for x
    x = 19,824,964.96/4,980.27
  6. Step 6: Final answer
    x = 3,980.70

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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.