Home / 7,824.33-11,731.23-4,122.63

Finding the Fourth Proportional to 7,824.33, 11,731.23 and 4,122.63

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Solution

The fourth proportional to 7,824.33, 11,731.23 and 4,122.63 is: 6,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.33 : 11,731.23 = 4,122.63 : x
  2. Step 2: Convert to fraction form
    7,824.33/11,731.23 = 4,122.63/x
  3. Step 3: Cross multiply
    7,824.33x = 11,731.23 × 4,122.63
  4. Step 4: Simplify right side
    7,824.33x = 48,363,520.73
  5. Step 5: Solve for x
    x = 48,363,520.73/7,824.33
  6. Step 6: Final answer
    x = 6,181.17

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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.