Home / 4,115.81-6,173.09-1,342.48

Finding the Fourth Proportional to 4,115.81, 6,173.09 and 1,342.48

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Solution

The fourth proportional to 4,115.81, 6,173.09 and 1,342.48 is: 2,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.81 : 6,173.09 = 1,342.48 : x
  2. Step 2: Convert to fraction form
    4,115.81/6,173.09 = 1,342.48/x
  3. Step 3: Cross multiply
    4,115.81x = 6,173.09 × 1,342.48
  4. Step 4: Simplify right side
    4,115.81x = 8,287,246.84
  5. Step 5: Solve for x
    x = 8,287,246.84/4,115.81
  6. Step 6: Final answer
    x = 2,013.51

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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.