Home / 7,218.87-10,828.68-2,288.89

Finding the Fourth Proportional to 7,218.87, 10,828.68 and 2,288.89

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Solution

The fourth proportional to 7,218.87, 10,828.68 and 2,288.89 is: 3,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.87 : 10,828.68 = 2,288.89 : x
  2. Step 2: Convert to fraction form
    7,218.87/10,828.68 = 2,288.89/x
  3. Step 3: Cross multiply
    7,218.87x = 10,828.68 × 2,288.89
  4. Step 4: Simplify right side
    7,218.87x = 24,785,657.37
  5. Step 5: Solve for x
    x = 24,785,657.37/7,218.87
  6. Step 6: Final answer
    x = 3,433.45

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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.