Home / 4,321.36-6,484.32-1,724.32

Finding the Fourth Proportional to 4,321.36, 6,484.32 and 1,724.32

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Solution

The fourth proportional to 4,321.36, 6,484.32 and 1,724.32 is: 2,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.36 : 6,484.32 = 1,724.32 : x
  2. Step 2: Convert to fraction form
    4,321.36/6,484.32 = 1,724.32/x
  3. Step 3: Cross multiply
    4,321.36x = 6,484.32 × 1,724.32
  4. Step 4: Simplify right side
    4,321.36x = 11,181,042.66
  5. Step 5: Solve for x
    x = 11,181,042.66/4,321.36
  6. Step 6: Final answer
    x = 2,587.39

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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.