Home / 7,813.24-11,724.44-2,886.30

Finding the Fourth Proportional to 7,813.24, 11,724.44 and 2,886.30

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Solution

The fourth proportional to 7,813.24, 11,724.44 and 2,886.30 is: 4,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.24 : 11,724.44 = 2,886.30 : x
  2. Step 2: Convert to fraction form
    7,813.24/11,724.44 = 2,886.30/x
  3. Step 3: Cross multiply
    7,813.24x = 11,724.44 × 2,886.30
  4. Step 4: Simplify right side
    7,813.24x = 33,840,236.74
  5. Step 5: Solve for x
    x = 33,840,236.74/7,813.24
  6. Step 6: Final answer
    x = 4,331.14

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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.