Home / 5,915.67-8,876.94-2,220.47

Finding the Fourth Proportional to 5,915.67, 8,876.94 and 2,220.47

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Solution

The fourth proportional to 5,915.67, 8,876.94 and 2,220.47 is: 3,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.67 : 8,876.94 = 2,220.47 : x
  2. Step 2: Convert to fraction form
    5,915.67/8,876.94 = 2,220.47/x
  3. Step 3: Cross multiply
    5,915.67x = 8,876.94 × 2,220.47
  4. Step 4: Simplify right side
    5,915.67x = 19,710,934.58
  5. Step 5: Solve for x
    x = 19,710,934.58/5,915.67
  6. Step 6: Final answer
    x = 3,331.99

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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.