Home / 8,683.77-13,022.19-3,135.18

Finding the Fourth Proportional to 8,683.77, 13,022.19 and 3,135.18

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Solution

The fourth proportional to 8,683.77, 13,022.19 and 3,135.18 is: 4,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.77 : 13,022.19 = 3,135.18 : x
  2. Step 2: Convert to fraction form
    8,683.77/13,022.19 = 3,135.18/x
  3. Step 3: Cross multiply
    8,683.77x = 13,022.19 × 3,135.18
  4. Step 4: Simplify right side
    8,683.77x = 40,826,909.64
  5. Step 5: Solve for x
    x = 40,826,909.64/8,683.77
  6. Step 6: Final answer
    x = 4,701.52

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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.