Home / 4,639.20-6,962.16-1,717.92

Finding the Fourth Proportional to 4,639.20, 6,962.16 and 1,717.92

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Solution

The fourth proportional to 4,639.20, 6,962.16 and 1,717.92 is: 2,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.20 : 6,962.16 = 1,717.92 : x
  2. Step 2: Convert to fraction form
    4,639.20/6,962.16 = 1,717.92/x
  3. Step 3: Cross multiply
    4,639.20x = 6,962.16 × 1,717.92
  4. Step 4: Simplify right side
    4,639.20x = 11,960,433.91
  5. Step 5: Solve for x
    x = 11,960,433.91/4,639.20
  6. Step 6: Final answer
    x = 2,578.12

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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.