Home / 7,219.49-10,827.59-2,288.21

Finding the Fourth Proportional to 7,219.49, 10,827.59 and 2,288.21

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Solution

The fourth proportional to 7,219.49, 10,827.59 and 2,288.21 is: 3,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.49 : 10,827.59 = 2,288.21 : x
  2. Step 2: Convert to fraction form
    7,219.49/10,827.59 = 2,288.21/x
  3. Step 3: Cross multiply
    7,219.49x = 10,827.59 × 2,288.21
  4. Step 4: Simplify right side
    7,219.49x = 24,775,734.13
  5. Step 5: Solve for x
    x = 24,775,734.13/7,219.49
  6. Step 6: Final answer
    x = 3,431.79

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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.