Home / 5,508.71-8,271.27-2,228.21

Finding the Fourth Proportional to 5,508.71, 8,271.27 and 2,228.21

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Solution

The fourth proportional to 5,508.71, 8,271.27 and 2,228.21 is: 3,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.71 : 8,271.27 = 2,228.21 : x
  2. Step 2: Convert to fraction form
    5,508.71/8,271.27 = 2,228.21/x
  3. Step 3: Cross multiply
    5,508.71x = 8,271.27 × 2,228.21
  4. Step 4: Simplify right side
    5,508.71x = 18,430,126.53
  5. Step 5: Solve for x
    x = 18,430,126.53/5,508.71
  6. Step 6: Final answer
    x = 3,345.63

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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.