Home / 8,739.27-13,099.77-3,807.57

Finding the Fourth Proportional to 8,739.27, 13,099.77 and 3,807.57

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Solution

The fourth proportional to 8,739.27, 13,099.77 and 3,807.57 is: 5,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.27 : 13,099.77 = 3,807.57 : x
  2. Step 2: Convert to fraction form
    8,739.27/13,099.77 = 3,807.57/x
  3. Step 3: Cross multiply
    8,739.27x = 13,099.77 × 3,807.57
  4. Step 4: Simplify right side
    8,739.27x = 49,878,291.26
  5. Step 5: Solve for x
    x = 49,878,291.26/8,739.27
  6. Step 6: Final answer
    x = 5,707.38

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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.