Home / 5,915.58-8,872.65-2,019.90

Finding the Fourth Proportional to 5,915.58, 8,872.65 and 2,019.90

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Solution

The fourth proportional to 5,915.58, 8,872.65 and 2,019.90 is: 3,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.58 : 8,872.65 = 2,019.90 : x
  2. Step 2: Convert to fraction form
    5,915.58/8,872.65 = 2,019.90/x
  3. Step 3: Cross multiply
    5,915.58x = 8,872.65 × 2,019.90
  4. Step 4: Simplify right side
    5,915.58x = 17,921,865.74
  5. Step 5: Solve for x
    x = 17,921,865.74/5,915.58
  6. Step 6: Final answer
    x = 3,029.60

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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.