Home / 5,915.89-8,876.55-2,218.42

Finding the Fourth Proportional to 5,915.89, 8,876.55 and 2,218.42

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Solution

The fourth proportional to 5,915.89, 8,876.55 and 2,218.42 is: 3,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.89 : 8,876.55 = 2,218.42 : x
  2. Step 2: Convert to fraction form
    5,915.89/8,876.55 = 2,218.42/x
  3. Step 3: Cross multiply
    5,915.89x = 8,876.55 × 2,218.42
  4. Step 4: Simplify right side
    5,915.89x = 19,691,916.05
  5. Step 5: Solve for x
    x = 19,691,916.05/5,915.89
  6. Step 6: Final answer
    x = 3,328.65

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1.5x scale

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.