Home / 7,411.82-11,116.64-2,217.02

Finding the Fourth Proportional to 7,411.82, 11,116.64 and 2,217.02

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Solution

The fourth proportional to 7,411.82, 11,116.64 and 2,217.02 is: 3,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.82 : 11,116.64 = 2,217.02 : x
  2. Step 2: Convert to fraction form
    7,411.82/11,116.64 = 2,217.02/x
  3. Step 3: Cross multiply
    7,411.82x = 11,116.64 × 2,217.02
  4. Step 4: Simplify right side
    7,411.82x = 24,645,813.21
  5. Step 5: Solve for x
    x = 24,645,813.21/7,411.82
  6. Step 6: Final answer
    x = 3,325.20

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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.