Home / 4,744.80-7,117.02-1,623.78

Finding the Fourth Proportional to 4,744.80, 7,117.02 and 1,623.78

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Solution

The fourth proportional to 4,744.80, 7,117.02 and 1,623.78 is: 2,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.80 : 7,117.02 = 1,623.78 : x
  2. Step 2: Convert to fraction form
    4,744.80/7,117.02 = 1,623.78/x
  3. Step 3: Cross multiply
    4,744.80x = 7,117.02 × 1,623.78
  4. Step 4: Simplify right side
    4,744.80x = 11,556,474.74
  5. Step 5: Solve for x
    x = 11,556,474.74/4,744.80
  6. Step 6: Final answer
    x = 2,435.61

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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.