Home / 4,980.13-7,455.72-2,893.78

Finding the Fourth Proportional to 4,980.13, 7,455.72 and 2,893.78

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Solution

The fourth proportional to 4,980.13, 7,455.72 and 2,893.78 is: 4,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.13 : 7,455.72 = 2,893.78 : x
  2. Step 2: Convert to fraction form
    4,980.13/7,455.72 = 2,893.78/x
  3. Step 3: Cross multiply
    4,980.13x = 7,455.72 × 2,893.78
  4. Step 4: Simplify right side
    4,980.13x = 21,575,183.52
  5. Step 5: Solve for x
    x = 21,575,183.52/4,980.13
  6. Step 6: Final answer
    x = 4,332.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.