Home / 4,328.64-6,489.72-3,356.64

Finding the Fourth Proportional to 4,328.64, 6,489.72 and 3,356.64

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Solution

The fourth proportional to 4,328.64, 6,489.72 and 3,356.64 is: 5,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.64 : 6,489.72 = 3,356.64 : x
  2. Step 2: Convert to fraction form
    4,328.64/6,489.72 = 3,356.64/x
  3. Step 3: Cross multiply
    4,328.64x = 6,489.72 × 3,356.64
  4. Step 4: Simplify right side
    4,328.64x = 21,783,653.74
  5. Step 5: Solve for x
    x = 21,783,653.74/4,328.64
  6. Step 6: Final answer
    x = 5,032.45

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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.