Home / 7,485.12-11,227.26-2,290.98

Finding the Fourth Proportional to 7,485.12, 11,227.26 and 2,290.98

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Solution

The fourth proportional to 7,485.12, 11,227.26 and 2,290.98 is: 3,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.12 : 11,227.26 = 2,290.98 : x
  2. Step 2: Convert to fraction form
    7,485.12/11,227.26 = 2,290.98/x
  3. Step 3: Cross multiply
    7,485.12x = 11,227.26 × 2,290.98
  4. Step 4: Simplify right side
    7,485.12x = 25,721,428.11
  5. Step 5: Solve for x
    x = 25,721,428.11/7,485.12
  6. Step 6: Final answer
    x = 3,436.34

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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.