Home / 8,018.39-11,065.15-4,433.61

Finding the Fourth Proportional to 8,018.39, 11,065.15 and 4,433.61

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Solution

The fourth proportional to 8,018.39, 11,065.15 and 4,433.61 is: 6,118.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.39 : 11,065.15 = 4,433.61 : x
  2. Step 2: Convert to fraction form
    8,018.39/11,065.15 = 4,433.61/x
  3. Step 3: Cross multiply
    8,018.39x = 11,065.15 × 4,433.61
  4. Step 4: Simplify right side
    8,018.39x = 49,058,559.69
  5. Step 5: Solve for x
    x = 49,058,559.69/8,018.39
  6. Step 6: Final answer
    x = 6,118.26

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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.