Home / 4,287.60-6,395.22-3,910.32

Finding the Fourth Proportional to 4,287.60, 6,395.22 and 3,910.32

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Solution

The fourth proportional to 4,287.60, 6,395.22 and 3,910.32 is: 5,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.60 : 6,395.22 = 3,910.32 : x
  2. Step 2: Convert to fraction form
    4,287.60/6,395.22 = 3,910.32/x
  3. Step 3: Cross multiply
    4,287.60x = 6,395.22 × 3,910.32
  4. Step 4: Simplify right side
    4,287.60x = 25,007,356.67
  5. Step 5: Solve for x
    x = 25,007,356.67/4,287.60
  6. Step 6: Final answer
    x = 5,832.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.