Home / 8,111.14-11,192.74-4,753.49

Finding the Fourth Proportional to 8,111.14, 11,192.74 and 4,753.49

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Solution

The fourth proportional to 8,111.14, 11,192.74 and 4,753.49 is: 6,559.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,111.14 : 11,192.74 = 4,753.49 : x
  2. Step 2: Convert to fraction form
    8,111.14/11,192.74 = 4,753.49/x
  3. Step 3: Cross multiply
    8,111.14x = 11,192.74 × 4,753.49
  4. Step 4: Simplify right side
    8,111.14x = 53,204,569.61
  5. Step 5: Solve for x
    x = 53,204,569.61/8,111.14
  6. Step 6: Final answer
    x = 6,559.44

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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.