Home / 7,917.73-10,926.01-4,380.73

Finding the Fourth Proportional to 7,917.73, 10,926.01 and 4,380.73

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Solution

The fourth proportional to 7,917.73, 10,926.01 and 4,380.73 is: 6,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.73 : 10,926.01 = 4,380.73 : x
  2. Step 2: Convert to fraction form
    7,917.73/10,926.01 = 4,380.73/x
  3. Step 3: Cross multiply
    7,917.73x = 10,926.01 × 4,380.73
  4. Step 4: Simplify right side
    7,917.73x = 47,863,861.52
  5. Step 5: Solve for x
    x = 47,863,861.52/7,917.73
  6. Step 6: Final answer
    x = 6,045.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.