Home / 4,629.34-6,388.32-2,640.53

Finding the Fourth Proportional to 4,629.34, 6,388.32 and 2,640.53

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Solution

The fourth proportional to 4,629.34, 6,388.32 and 2,640.53 is: 3,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.34 : 6,388.32 = 2,640.53 : x
  2. Step 2: Convert to fraction form
    4,629.34/6,388.32 = 2,640.53/x
  3. Step 3: Cross multiply
    4,629.34x = 6,388.32 × 2,640.53
  4. Step 4: Simplify right side
    4,629.34x = 16,868,550.61
  5. Step 5: Solve for x
    x = 16,868,550.61/4,629.34
  6. Step 6: Final answer
    x = 3,643.84

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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.