Home / 4,639.27-6,397.27-3,312.49

Finding the Fourth Proportional to 4,639.27, 6,397.27 and 3,312.49

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Solution

The fourth proportional to 4,639.27, 6,397.27 and 3,312.49 is: 4,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.27 : 6,397.27 = 3,312.49 : x
  2. Step 2: Convert to fraction form
    4,639.27/6,397.27 = 3,312.49/x
  3. Step 3: Cross multiply
    4,639.27x = 6,397.27 × 3,312.49
  4. Step 4: Simplify right side
    4,639.27x = 21,190,892.90
  5. Step 5: Solve for x
    x = 21,190,892.90/4,639.27
  6. Step 6: Final answer
    x = 4,567.72

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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.