Home / 4,270.25-6,408.45-1,805.76

Finding the Fourth Proportional to 4,270.25, 6,408.45 and 1,805.76

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Solution

The fourth proportional to 4,270.25, 6,408.45 and 1,805.76 is: 2,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.25 : 6,408.45 = 1,805.76 : x
  2. Step 2: Convert to fraction form
    4,270.25/6,408.45 = 1,805.76/x
  3. Step 3: Cross multiply
    4,270.25x = 6,408.45 × 1,805.76
  4. Step 4: Simplify right side
    4,270.25x = 11,572,122.67
  5. Step 5: Solve for x
    x = 11,572,122.67/4,270.25
  6. Step 6: Final answer
    x = 2,709.94

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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.