Home / 5,674.49-8,511.68-2,211.74

Finding the Fourth Proportional to 5,674.49, 8,511.68 and 2,211.74

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Solution

The fourth proportional to 5,674.49, 8,511.68 and 2,211.74 is: 3,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.49 : 8,511.68 = 2,211.74 : x
  2. Step 2: Convert to fraction form
    5,674.49/8,511.68 = 2,211.74/x
  3. Step 3: Cross multiply
    5,674.49x = 8,511.68 × 2,211.74
  4. Step 4: Simplify right side
    5,674.49x = 18,825,569.51
  5. Step 5: Solve for x
    x = 18,825,569.51/5,674.49
  6. Step 6: Final answer
    x = 3,317.58

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Double scale
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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.