Home / 5,618.45-8,411.36-3,271.30

Finding the Fourth Proportional to 5,618.45, 8,411.36 and 3,271.30

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Solution

The fourth proportional to 5,618.45, 8,411.36 and 3,271.30 is: 4,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.45 : 8,411.36 = 3,271.30 : x
  2. Step 2: Convert to fraction form
    5,618.45/8,411.36 = 3,271.30/x
  3. Step 3: Cross multiply
    5,618.45x = 8,411.36 × 3,271.30
  4. Step 4: Simplify right side
    5,618.45x = 27,516,023.55
  5. Step 5: Solve for x
    x = 27,516,023.55/5,618.45
  6. Step 6: Final answer
    x = 4,897.44

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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.