Home / 5,314.97-7,972.35-1,852.13

Finding the Fourth Proportional to 5,314.97, 7,972.35 and 1,852.13

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Solution

The fourth proportional to 5,314.97, 7,972.35 and 1,852.13 is: 2,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314.97 : 7,972.35 = 1,852.13 : x
  2. Step 2: Convert to fraction form
    5,314.97/7,972.35 = 1,852.13/x
  3. Step 3: Cross multiply
    5,314.97x = 7,972.35 × 1,852.13
  4. Step 4: Simplify right side
    5,314.97x = 14,765,788.74
  5. Step 5: Solve for x
    x = 14,765,788.74/5,314.97
  6. Step 6: Final answer
    x = 2,778.15

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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.