Home / 9,286.36-12,816.94-5,511.62

Finding the Fourth Proportional to 9,286.36, 12,816.94 and 5,511.62

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Solution

The fourth proportional to 9,286.36, 12,816.94 and 5,511.62 is: 7,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.36 : 12,816.94 = 5,511.62 : x
  2. Step 2: Convert to fraction form
    9,286.36/12,816.94 = 5,511.62/x
  3. Step 3: Cross multiply
    9,286.36x = 12,816.94 × 5,511.62
  4. Step 4: Simplify right side
    9,286.36x = 70,642,102.84
  5. Step 5: Solve for x
    x = 70,642,102.84/9,286.36
  6. Step 6: Final answer
    x = 7,607.08

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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.