Home / 7,741.19-11,611.94-2,477.20

Finding the Fourth Proportional to 7,741.19, 11,611.94 and 2,477.20

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Solution

The fourth proportional to 7,741.19, 11,611.94 and 2,477.20 is: 3,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.19 : 11,611.94 = 2,477.20 : x
  2. Step 2: Convert to fraction form
    7,741.19/11,611.94 = 2,477.20/x
  3. Step 3: Cross multiply
    7,741.19x = 11,611.94 × 2,477.20
  4. Step 4: Simplify right side
    7,741.19x = 28,765,097.77
  5. Step 5: Solve for x
    x = 28,765,097.77/7,741.19
  6. Step 6: Final answer
    x = 3,715.85

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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.