Home / 5,890.98-8,130.07-3,238.90

Finding the Fourth Proportional to 5,890.98, 8,130.07 and 3,238.90

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Solution

The fourth proportional to 5,890.98, 8,130.07 and 3,238.90 is: 4,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.98 : 8,130.07 = 3,238.90 : x
  2. Step 2: Convert to fraction form
    5,890.98/8,130.07 = 3,238.90/x
  3. Step 3: Cross multiply
    5,890.98x = 8,130.07 × 3,238.90
  4. Step 4: Simplify right side
    5,890.98x = 26,332,483.72
  5. Step 5: Solve for x
    x = 26,332,483.72/5,890.98
  6. Step 6: Final answer
    x = 4,469.97

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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.