Home / 7,485.08-11,227.20-2,290.95

Finding the Fourth Proportional to 7,485.08, 11,227.20 and 2,290.95

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Solution

The fourth proportional to 7,485.08, 11,227.20 and 2,290.95 is: 3,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.08 : 11,227.20 = 2,290.95 : x
  2. Step 2: Convert to fraction form
    7,485.08/11,227.20 = 2,290.95/x
  3. Step 3: Cross multiply
    7,485.08x = 11,227.20 × 2,290.95
  4. Step 4: Simplify right side
    7,485.08x = 25,720,953.84
  5. Step 5: Solve for x
    x = 25,720,953.84/7,485.08
  6. Step 6: Final answer
    x = 3,436.30

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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.