Home / 5,074.12-7,611.44-1,611.64

Finding the Fourth Proportional to 5,074.12, 7,611.44 and 1,611.64

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Solution

The fourth proportional to 5,074.12, 7,611.44 and 1,611.64 is: 2,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.12 : 7,611.44 = 1,611.64 : x
  2. Step 2: Convert to fraction form
    5,074.12/7,611.44 = 1,611.64/x
  3. Step 3: Cross multiply
    5,074.12x = 7,611.44 × 1,611.64
  4. Step 4: Simplify right side
    5,074.12x = 12,266,901.16
  5. Step 5: Solve for x
    x = 12,266,901.16/5,074.12
  6. Step 6: Final answer
    x = 2,417.54

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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.