Home / 5,811.80-8,017.12-3,683.44

Finding the Fourth Proportional to 5,811.80, 8,017.12 and 3,683.44

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Solution

The fourth proportional to 5,811.80, 8,017.12 and 3,683.44 is: 5,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.80 : 8,017.12 = 3,683.44 : x
  2. Step 2: Convert to fraction form
    5,811.80/8,017.12 = 3,683.44/x
  3. Step 3: Cross multiply
    5,811.80x = 8,017.12 × 3,683.44
  4. Step 4: Simplify right side
    5,811.80x = 29,530,580.49
  5. Step 5: Solve for x
    x = 29,530,580.49/5,811.80
  6. Step 6: Final answer
    x = 5,081.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.