Home / 4,915.62-7,373.30-1,217.77

Finding the Fourth Proportional to 4,915.62, 7,373.30 and 1,217.77

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Solution

The fourth proportional to 4,915.62, 7,373.30 and 1,217.77 is: 1,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.62 : 7,373.30 = 1,217.77 : x
  2. Step 2: Convert to fraction form
    4,915.62/7,373.30 = 1,217.77/x
  3. Step 3: Cross multiply
    4,915.62x = 7,373.30 × 1,217.77
  4. Step 4: Simplify right side
    4,915.62x = 8,978,959.02
  5. Step 5: Solve for x
    x = 8,978,959.02/4,915.62
  6. Step 6: Final answer
    x = 1,826.62

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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.