Home / 4,390.91-6,586.68-1,270.79

Finding the Fourth Proportional to 4,390.91, 6,586.68 and 1,270.79

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Solution

The fourth proportional to 4,390.91, 6,586.68 and 1,270.79 is: 1,906.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.91 : 6,586.68 = 1,270.79 : x
  2. Step 2: Convert to fraction form
    4,390.91/6,586.68 = 1,270.79/x
  3. Step 3: Cross multiply
    4,390.91x = 6,586.68 × 1,270.79
  4. Step 4: Simplify right side
    4,390.91x = 8,370,254.14
  5. Step 5: Solve for x
    x = 8,370,254.14/4,390.91
  6. Step 6: Final answer
    x = 1,906.27

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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.