Home / 4,273.89-6,401.81-2,187.53

Finding the Fourth Proportional to 4,273.89, 6,401.81 and 2,187.53

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Solution

The fourth proportional to 4,273.89, 6,401.81 and 2,187.53 is: 3,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.89 : 6,401.81 = 2,187.53 : x
  2. Step 2: Convert to fraction form
    4,273.89/6,401.81 = 2,187.53/x
  3. Step 3: Cross multiply
    4,273.89x = 6,401.81 × 2,187.53
  4. Step 4: Simplify right side
    4,273.89x = 14,004,151.43
  5. Step 5: Solve for x
    x = 14,004,151.43/4,273.89
  6. Step 6: Final answer
    x = 3,276.68

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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.