Home / 6,403.92-9,611.28-2,511.06

Finding the Fourth Proportional to 6,403.92, 9,611.28 and 2,511.06

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Solution

The fourth proportional to 6,403.92, 9,611.28 and 2,511.06 is: 3,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.92 : 9,611.28 = 2,511.06 : x
  2. Step 2: Convert to fraction form
    6,403.92/9,611.28 = 2,511.06/x
  3. Step 3: Cross multiply
    6,403.92x = 9,611.28 × 2,511.06
  4. Step 4: Simplify right side
    6,403.92x = 24,134,500.76
  5. Step 5: Solve for x
    x = 24,134,500.76/6,403.92
  6. Step 6: Final answer
    x = 3,768.71

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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.