Home / 5,890.20-8,128.62-3,237.66

Finding the Fourth Proportional to 5,890.20, 8,128.62 and 3,237.66

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Solution

The fourth proportional to 5,890.20, 8,128.62 and 3,237.66 is: 4,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.20 : 8,128.62 = 3,237.66 : x
  2. Step 2: Convert to fraction form
    5,890.20/8,128.62 = 3,237.66/x
  3. Step 3: Cross multiply
    5,890.20x = 8,128.62 × 3,237.66
  4. Step 4: Simplify right side
    5,890.20x = 26,317,707.83
  5. Step 5: Solve for x
    x = 26,317,707.83/5,890.20
  6. Step 6: Final answer
    x = 4,468.05

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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.