Home / 5,136.84-7,087.50-3,040.02

Finding the Fourth Proportional to 5,136.84, 7,087.50 and 3,040.02

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Solution

The fourth proportional to 5,136.84, 7,087.50 and 3,040.02 is: 4,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.84 : 7,087.50 = 3,040.02 : x
  2. Step 2: Convert to fraction form
    5,136.84/7,087.50 = 3,040.02/x
  3. Step 3: Cross multiply
    5,136.84x = 7,087.50 × 3,040.02
  4. Step 4: Simplify right side
    5,136.84x = 21,546,141.75
  5. Step 5: Solve for x
    x = 21,546,141.75/5,136.84
  6. Step 6: Final answer
    x = 4,194.44

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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.