Home / 8,739.06-13,108.59-4,125.30

Finding the Fourth Proportional to 8,739.06, 13,108.59 and 4,125.30

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Solution

The fourth proportional to 8,739.06, 13,108.59 and 4,125.30 is: 6,187.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.06 : 13,108.59 = 4,125.30 : x
  2. Step 2: Convert to fraction form
    8,739.06/13,108.59 = 4,125.30/x
  3. Step 3: Cross multiply
    8,739.06x = 13,108.59 × 4,125.30
  4. Step 4: Simplify right side
    8,739.06x = 54,076,866.33
  5. Step 5: Solve for x
    x = 54,076,866.33/8,739.06
  6. Step 6: Final answer
    x = 6,187.95

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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.