Home / 8,124.09-12,182.49-3,739.16

Finding the Fourth Proportional to 8,124.09, 12,182.49 and 3,739.16

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Solution

The fourth proportional to 8,124.09, 12,182.49 and 3,739.16 is: 5,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,124.09 : 12,182.49 = 3,739.16 : x
  2. Step 2: Convert to fraction form
    8,124.09/12,182.49 = 3,739.16/x
  3. Step 3: Cross multiply
    8,124.09x = 12,182.49 × 3,739.16
  4. Step 4: Simplify right side
    8,124.09x = 45,552,218.40
  5. Step 5: Solve for x
    x = 45,552,218.40/8,124.09
  6. Step 6: Final answer
    x = 5,607.05

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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.