Home / 4,915.86-7,373.52-1,993.38

Finding the Fourth Proportional to 4,915.86, 7,373.52 and 1,993.38

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Solution

The fourth proportional to 4,915.86, 7,373.52 and 1,993.38 is: 2,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.86 : 7,373.52 = 1,993.38 : x
  2. Step 2: Convert to fraction form
    4,915.86/7,373.52 = 1,993.38/x
  3. Step 3: Cross multiply
    4,915.86x = 7,373.52 × 1,993.38
  4. Step 4: Simplify right side
    4,915.86x = 14,698,227.30
  5. Step 5: Solve for x
    x = 14,698,227.30/4,915.86
  6. Step 6: Final answer
    x = 2,989.96

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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.