Home / 5,915.95-8,876.66-2,217.69

Finding the Fourth Proportional to 5,915.95, 8,876.66 and 2,217.69

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Solution

The fourth proportional to 5,915.95, 8,876.66 and 2,217.69 is: 3,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.95 : 8,876.66 = 2,217.69 : x
  2. Step 2: Convert to fraction form
    5,915.95/8,876.66 = 2,217.69/x
  3. Step 3: Cross multiply
    5,915.95x = 8,876.66 × 2,217.69
  4. Step 4: Simplify right side
    5,915.95x = 19,685,669.03
  5. Step 5: Solve for x
    x = 19,685,669.03/5,915.95
  6. Step 6: Final answer
    x = 3,327.56

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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.