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Finding the Fourth Proportional to 7,208.81, 10,813.23 and 2,014.69

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Solution

The fourth proportional to 7,208.81, 10,813.23 and 2,014.69 is: 3,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.81 : 10,813.23 = 2,014.69 : x
  2. Step 2: Convert to fraction form
    7,208.81/10,813.23 = 2,014.69/x
  3. Step 3: Cross multiply
    7,208.81x = 10,813.23 × 2,014.69
  4. Step 4: Simplify right side
    7,208.81x = 21,785,279.32
  5. Step 5: Solve for x
    x = 21,785,279.32/7,208.81
  6. Step 6: Final answer
    x = 3,022.03

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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.