Home / 5,890.74-8,129.24-3,238.15

Finding the Fourth Proportional to 5,890.74, 8,129.24 and 3,238.15

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Solution

The fourth proportional to 5,890.74, 8,129.24 and 3,238.15 is: 4,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.74 : 8,129.24 = 3,238.15 : x
  2. Step 2: Convert to fraction form
    5,890.74/8,129.24 = 3,238.15/x
  3. Step 3: Cross multiply
    5,890.74x = 8,129.24 × 3,238.15
  4. Step 4: Simplify right side
    5,890.74x = 26,323,703.13
  5. Step 5: Solve for x
    x = 26,323,703.13/5,890.74
  6. Step 6: Final answer
    x = 4,468.65

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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.