Home / 4,428.36-6,642.54-2,087.82

Finding the Fourth Proportional to 4,428.36, 6,642.54 and 2,087.82

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Solution

The fourth proportional to 4,428.36, 6,642.54 and 2,087.82 is: 3,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.36 : 6,642.54 = 2,087.82 : x
  2. Step 2: Convert to fraction form
    4,428.36/6,642.54 = 2,087.82/x
  3. Step 3: Cross multiply
    4,428.36x = 6,642.54 × 2,087.82
  4. Step 4: Simplify right side
    4,428.36x = 13,868,427.86
  5. Step 5: Solve for x
    x = 13,868,427.86/4,428.36
  6. Step 6: Final answer
    x = 3,131.73

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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.