Home / 5,716.98-7,888.14-3,619.89

Finding the Fourth Proportional to 5,716.98, 7,888.14 and 3,619.89

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Solution

The fourth proportional to 5,716.98, 7,888.14 and 3,619.89 is: 4,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.98 : 7,888.14 = 3,619.89 : x
  2. Step 2: Convert to fraction form
    5,716.98/7,888.14 = 3,619.89/x
  3. Step 3: Cross multiply
    5,716.98x = 7,888.14 × 3,619.89
  4. Step 4: Simplify right side
    5,716.98x = 28,554,199.10
  5. Step 5: Solve for x
    x = 28,554,199.10/5,716.98
  6. Step 6: Final answer
    x = 4,994.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.