Home / 8,541.10-12,801.61-3,855.64

Finding the Fourth Proportional to 8,541.10, 12,801.61 and 3,855.64

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Solution

The fourth proportional to 8,541.10, 12,801.61 and 3,855.64 is: 5,778.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.10 : 12,801.61 = 3,855.64 : x
  2. Step 2: Convert to fraction form
    8,541.10/12,801.61 = 3,855.64/x
  3. Step 3: Cross multiply
    8,541.10x = 12,801.61 × 3,855.64
  4. Step 4: Simplify right side
    8,541.10x = 49,358,316.29
  5. Step 5: Solve for x
    x = 49,358,316.29/8,541.10
  6. Step 6: Final answer
    x = 5,778.92

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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.