Home / 5,541.13-8,311.69-1,645.50

Finding the Fourth Proportional to 5,541.13, 8,311.69 and 1,645.50

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Solution

The fourth proportional to 5,541.13, 8,311.69 and 1,645.50 is: 2,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.13 : 8,311.69 = 1,645.50 : x
  2. Step 2: Convert to fraction form
    5,541.13/8,311.69 = 1,645.50/x
  3. Step 3: Cross multiply
    5,541.13x = 8,311.69 × 1,645.50
  4. Step 4: Simplify right side
    5,541.13x = 13,676,885.90
  5. Step 5: Solve for x
    x = 13,676,885.90/5,541.13
  6. Step 6: Final answer
    x = 2,468.25

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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.