Home / 4,926.92-7,388.76-1,639.13

Finding the Fourth Proportional to 4,926.92, 7,388.76 and 1,639.13

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Solution

The fourth proportional to 4,926.92, 7,388.76 and 1,639.13 is: 2,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.92 : 7,388.76 = 1,639.13 : x
  2. Step 2: Convert to fraction form
    4,926.92/7,388.76 = 1,639.13/x
  3. Step 3: Cross multiply
    4,926.92x = 7,388.76 × 1,639.13
  4. Step 4: Simplify right side
    4,926.92x = 12,111,138.18
  5. Step 5: Solve for x
    x = 12,111,138.18/4,926.92
  6. Step 6: Final answer
    x = 2,458.16

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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.