Home / 5,461.92-8,191.08-2,176.20

Finding the Fourth Proportional to 5,461.92, 8,191.08 and 2,176.20

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Solution

The fourth proportional to 5,461.92, 8,191.08 and 2,176.20 is: 3,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.92 : 8,191.08 = 2,176.20 : x
  2. Step 2: Convert to fraction form
    5,461.92/8,191.08 = 2,176.20/x
  3. Step 3: Cross multiply
    5,461.92x = 8,191.08 × 2,176.20
  4. Step 4: Simplify right side
    5,461.92x = 17,825,428.30
  5. Step 5: Solve for x
    x = 17,825,428.30/5,461.92
  6. Step 6: Final answer
    x = 3,263.58

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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.