Home / 4,440.23-6,661.49-1,518.55

Finding the Fourth Proportional to 4,440.23, 6,661.49 and 1,518.55

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Solution

The fourth proportional to 4,440.23, 6,661.49 and 1,518.55 is: 2,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.23 : 6,661.49 = 1,518.55 : x
  2. Step 2: Convert to fraction form
    4,440.23/6,661.49 = 1,518.55/x
  3. Step 3: Cross multiply
    4,440.23x = 6,661.49 × 1,518.55
  4. Step 4: Simplify right side
    4,440.23x = 10,115,789.93
  5. Step 5: Solve for x
    x = 10,115,789.93/4,440.23
  6. Step 6: Final answer
    x = 2,278.21

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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.