Home / 4,717.90-7,074.69-2,119.15

Finding the Fourth Proportional to 4,717.90, 7,074.69 and 2,119.15

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Solution

The fourth proportional to 4,717.90, 7,074.69 and 2,119.15 is: 3,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.90 : 7,074.69 = 2,119.15 : x
  2. Step 2: Convert to fraction form
    4,717.90/7,074.69 = 2,119.15/x
  3. Step 3: Cross multiply
    4,717.90x = 7,074.69 × 2,119.15
  4. Step 4: Simplify right side
    4,717.90x = 14,992,329.31
  5. Step 5: Solve for x
    x = 14,992,329.31/4,717.90
  6. Step 6: Final answer
    x = 3,177.75

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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.