Home / 4,664.42-6,435.79-2,647.39

Finding the Fourth Proportional to 4,664.42, 6,435.79 and 2,647.39

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Solution

The fourth proportional to 4,664.42, 6,435.79 and 2,647.39 is: 3,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.42 : 6,435.79 = 2,647.39 : x
  2. Step 2: Convert to fraction form
    4,664.42/6,435.79 = 2,647.39/x
  3. Step 3: Cross multiply
    4,664.42x = 6,435.79 × 2,647.39
  4. Step 4: Simplify right side
    4,664.42x = 17,038,035.45
  5. Step 5: Solve for x
    x = 17,038,035.45/4,664.42
  6. Step 6: Final answer
    x = 3,652.77

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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.