Home / 4,918.68-7,382.34-2,580.35

Finding the Fourth Proportional to 4,918.68, 7,382.34 and 2,580.35

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Solution

The fourth proportional to 4,918.68, 7,382.34 and 2,580.35 is: 3,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.68 : 7,382.34 = 2,580.35 : x
  2. Step 2: Convert to fraction form
    4,918.68/7,382.34 = 2,580.35/x
  3. Step 3: Cross multiply
    4,918.68x = 7,382.34 × 2,580.35
  4. Step 4: Simplify right side
    4,918.68x = 19,049,044.18
  5. Step 5: Solve for x
    x = 19,049,044.18/4,918.68
  6. Step 6: Final answer
    x = 3,872.80

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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.