Home / 4,059.40-5,587.42-3,388.68

Finding the Fourth Proportional to 4,059.40, 5,587.42 and 3,388.68

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Solution

The fourth proportional to 4,059.40, 5,587.42 and 3,388.68 is: 4,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,059.40 : 5,587.42 = 3,388.68 : x
  2. Step 2: Convert to fraction form
    4,059.40/5,587.42 = 3,388.68/x
  3. Step 3: Cross multiply
    4,059.40x = 5,587.42 × 3,388.68
  4. Step 4: Simplify right side
    4,059.40x = 18,933,978.41
  5. Step 5: Solve for x
    x = 18,933,978.41/4,059.40
  6. Step 6: Final answer
    x = 4,664.23

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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.