Home / 8,580.10-12,877.35-4,201.30

Finding the Fourth Proportional to 8,580.10, 12,877.35 and 4,201.30

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Solution

The fourth proportional to 8,580.10, 12,877.35 and 4,201.30 is: 6,305.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.10 : 12,877.35 = 4,201.30 : x
  2. Step 2: Convert to fraction form
    8,580.10/12,877.35 = 4,201.30/x
  3. Step 3: Cross multiply
    8,580.10x = 12,877.35 × 4,201.30
  4. Step 4: Simplify right side
    8,580.10x = 54,101,610.56
  5. Step 5: Solve for x
    x = 54,101,610.56/8,580.10
  6. Step 6: Final answer
    x = 6,305.48

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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.