Home / 4,440.15-6,661.44-3,518.79

Finding the Fourth Proportional to 4,440.15, 6,661.44 and 3,518.79

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Solution

The fourth proportional to 4,440.15, 6,661.44 and 3,518.79 is: 5,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.15 : 6,661.44 = 3,518.79 : x
  2. Step 2: Convert to fraction form
    4,440.15/6,661.44 = 3,518.79/x
  3. Step 3: Cross multiply
    4,440.15x = 6,661.44 × 3,518.79
  4. Step 4: Simplify right side
    4,440.15x = 23,440,208.46
  5. Step 5: Solve for x
    x = 23,440,208.46/4,440.15
  6. Step 6: Final answer
    x = 5,279.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.