Home / 4,074.76-6,112.26-1,153.30

Finding the Fourth Proportional to 4,074.76, 6,112.26 and 1,153.30

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Solution

The fourth proportional to 4,074.76, 6,112.26 and 1,153.30 is: 1,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.76 : 6,112.26 = 1,153.30 : x
  2. Step 2: Convert to fraction form
    4,074.76/6,112.26 = 1,153.30/x
  3. Step 3: Cross multiply
    4,074.76x = 6,112.26 × 1,153.30
  4. Step 4: Simplify right side
    4,074.76x = 7,049,269.46
  5. Step 5: Solve for x
    x = 7,049,269.46/4,074.76
  6. Step 6: Final answer
    x = 1,729.98

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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.