Home / 7,433.91-11,156.27-5,990.49

Finding the Fourth Proportional to 7,433.91, 11,156.27 and 5,990.49

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Solution

The fourth proportional to 7,433.91, 11,156.27 and 5,990.49 is: 8,990.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.91 : 11,156.27 = 5,990.49 : x
  2. Step 2: Convert to fraction form
    7,433.91/11,156.27 = 5,990.49/x
  3. Step 3: Cross multiply
    7,433.91x = 11,156.27 × 5,990.49
  4. Step 4: Simplify right side
    7,433.91x = 66,831,493.92
  5. Step 5: Solve for x
    x = 66,831,493.92/7,433.91
  6. Step 6: Final answer
    x = 8,990.09

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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.