Home / 5,461.38-8,190.33-2,862.90

Finding the Fourth Proportional to 5,461.38, 8,190.33 and 2,862.90

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Solution

The fourth proportional to 5,461.38, 8,190.33 and 2,862.90 is: 4,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.38 : 8,190.33 = 2,862.90 : x
  2. Step 2: Convert to fraction form
    5,461.38/8,190.33 = 2,862.90/x
  3. Step 3: Cross multiply
    5,461.38x = 8,190.33 × 2,862.90
  4. Step 4: Simplify right side
    5,461.38x = 23,448,095.76
  5. Step 5: Solve for x
    x = 23,448,095.76/5,461.38
  6. Step 6: Final answer
    x = 4,293.44

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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.