Home / 8,250.89-11,386.20-4,474.05

Finding the Fourth Proportional to 8,250.89, 11,386.20 and 4,474.05

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Solution

The fourth proportional to 8,250.89, 11,386.20 and 4,474.05 is: 6,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.89 : 11,386.20 = 4,474.05 : x
  2. Step 2: Convert to fraction form
    8,250.89/11,386.20 = 4,474.05/x
  3. Step 3: Cross multiply
    8,250.89x = 11,386.20 × 4,474.05
  4. Step 4: Simplify right side
    8,250.89x = 50,942,408.76
  5. Step 5: Solve for x
    x = 50,942,408.76/8,250.89
  6. Step 6: Final answer
    x = 6,174.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.