Home / 4,980.67-6,872.93-2,884.93

Finding the Fourth Proportional to 4,980.67, 6,872.93 and 2,884.93

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Solution

The fourth proportional to 4,980.67, 6,872.93 and 2,884.93 is: 3,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.67 : 6,872.93 = 2,884.93 : x
  2. Step 2: Convert to fraction form
    4,980.67/6,872.93 = 2,884.93/x
  3. Step 3: Cross multiply
    4,980.67x = 6,872.93 × 2,884.93
  4. Step 4: Simplify right side
    4,980.67x = 19,827,907.52
  5. Step 5: Solve for x
    x = 19,827,907.52/4,980.67
  6. Step 6: Final answer
    x = 3,980.97

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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.