Home / 5,890.45-8,128.97-3,237.91

Finding the Fourth Proportional to 5,890.45, 8,128.97 and 3,237.91

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Solution

The fourth proportional to 5,890.45, 8,128.97 and 3,237.91 is: 4,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.45 : 8,128.97 = 3,237.91 : x
  2. Step 2: Convert to fraction form
    5,890.45/8,128.97 = 3,237.91/x
  3. Step 3: Cross multiply
    5,890.45x = 8,128.97 × 3,237.91
  4. Step 4: Simplify right side
    5,890.45x = 26,320,873.25
  5. Step 5: Solve for x
    x = 26,320,873.25/5,890.45
  6. Step 6: Final answer
    x = 4,468.40

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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.