Home / 4,115.09-6,171.53-1,153.37

Finding the Fourth Proportional to 4,115.09, 6,171.53 and 1,153.37

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Solution

The fourth proportional to 4,115.09, 6,171.53 and 1,153.37 is: 1,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.09 : 6,171.53 = 1,153.37 : x
  2. Step 2: Convert to fraction form
    4,115.09/6,171.53 = 1,153.37/x
  3. Step 3: Cross multiply
    4,115.09x = 6,171.53 × 1,153.37
  4. Step 4: Simplify right side
    4,115.09x = 7,118,042.23
  5. Step 5: Solve for x
    x = 7,118,042.23/4,115.09
  6. Step 6: Final answer
    x = 1,729.74

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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.