Home / 5,284.45-7,929.96-1,997.11

Finding the Fourth Proportional to 5,284.45, 7,929.96 and 1,997.11

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Solution

The fourth proportional to 5,284.45, 7,929.96 and 1,997.11 is: 2,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.45 : 7,929.96 = 1,997.11 : x
  2. Step 2: Convert to fraction form
    5,284.45/7,929.96 = 1,997.11/x
  3. Step 3: Cross multiply
    5,284.45x = 7,929.96 × 1,997.11
  4. Step 4: Simplify right side
    5,284.45x = 15,837,002.42
  5. Step 5: Solve for x
    x = 15,837,002.42/5,284.45
  6. Step 6: Final answer
    x = 2,996.91

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1.5x scale

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.