Home / 5,124.87-7,681.69-2,162.62

Finding the Fourth Proportional to 5,124.87, 7,681.69 and 2,162.62

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Solution

The fourth proportional to 5,124.87, 7,681.69 and 2,162.62 is: 3,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.87 : 7,681.69 = 2,162.62 : x
  2. Step 2: Convert to fraction form
    5,124.87/7,681.69 = 2,162.62/x
  3. Step 3: Cross multiply
    5,124.87x = 7,681.69 × 2,162.62
  4. Step 4: Simplify right side
    5,124.87x = 16,612,598.17
  5. Step 5: Solve for x
    x = 16,612,598.17/5,124.87
  6. Step 6: Final answer
    x = 3,241.56

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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.