Home / 4,400.63-6,601.37-1,280.66

Finding the Fourth Proportional to 4,400.63, 6,601.37 and 1,280.66

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Solution

The fourth proportional to 4,400.63, 6,601.37 and 1,280.66 is: 1,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.63 : 6,601.37 = 1,280.66 : x
  2. Step 2: Convert to fraction form
    4,400.63/6,601.37 = 1,280.66/x
  3. Step 3: Cross multiply
    4,400.63x = 6,601.37 × 1,280.66
  4. Step 4: Simplify right side
    4,400.63x = 8,454,110.50
  5. Step 5: Solve for x
    x = 8,454,110.50/4,400.63
  6. Step 6: Final answer
    x = 1,921.11

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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.