Home / 4,081.48-5,635.09-3,135.46

Finding the Fourth Proportional to 4,081.48, 5,635.09 and 3,135.46

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Solution

The fourth proportional to 4,081.48, 5,635.09 and 3,135.46 is: 4,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.48 : 5,635.09 = 3,135.46 : x
  2. Step 2: Convert to fraction form
    4,081.48/5,635.09 = 3,135.46/x
  3. Step 3: Cross multiply
    4,081.48x = 5,635.09 × 3,135.46
  4. Step 4: Simplify right side
    4,081.48x = 17,668,599.29
  5. Step 5: Solve for x
    x = 17,668,599.29/4,081.48
  6. Step 6: Final answer
    x = 4,328.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.