Home / 5,078.07-7,611.60-3,317.52

Finding the Fourth Proportional to 5,078.07, 7,611.60 and 3,317.52

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Solution

The fourth proportional to 5,078.07, 7,611.60 and 3,317.52 is: 4,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,078.07 : 7,611.60 = 3,317.52 : x
  2. Step 2: Convert to fraction form
    5,078.07/7,611.60 = 3,317.52/x
  3. Step 3: Cross multiply
    5,078.07x = 7,611.60 × 3,317.52
  4. Step 4: Simplify right side
    5,078.07x = 25,251,635.23
  5. Step 5: Solve for x
    x = 25,251,635.23/5,078.07
  6. Step 6: Final answer
    x = 4,972.68

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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.