Home / 5,919.98-8,881.40-2,222.25

Finding the Fourth Proportional to 5,919.98, 8,881.40 and 2,222.25

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Solution

The fourth proportional to 5,919.98, 8,881.40 and 2,222.25 is: 3,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.98 : 8,881.40 = 2,222.25 : x
  2. Step 2: Convert to fraction form
    5,919.98/8,881.40 = 2,222.25/x
  3. Step 3: Cross multiply
    5,919.98x = 8,881.40 × 2,222.25
  4. Step 4: Simplify right side
    5,919.98x = 19,736,696.71
  5. Step 5: Solve for x
    x = 19,736,696.71/5,919.98
  6. Step 6: Final answer
    x = 3,333.91

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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.