Home / 7,611.60-11,419.70-5,394.72

Finding the Fourth Proportional to 7,611.60, 11,419.70 and 5,394.72

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Solution

The fourth proportional to 7,611.60, 11,419.70 and 5,394.72 is: 8,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.60 : 11,419.70 = 5,394.72 : x
  2. Step 2: Convert to fraction form
    7,611.60/11,419.70 = 5,394.72/x
  3. Step 3: Cross multiply
    7,611.60x = 11,419.70 × 5,394.72
  4. Step 4: Simplify right side
    7,611.60x = 61,606,057.01
  5. Step 5: Solve for x
    x = 61,606,057.01/7,611.60
  6. Step 6: Final answer
    x = 8,093.71

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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.