Home / 7,458.73-11,187.45-3,509.06

Finding the Fourth Proportional to 7,458.73, 11,187.45 and 3,509.06

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Solution

The fourth proportional to 7,458.73, 11,187.45 and 3,509.06 is: 5,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.73 : 11,187.45 = 3,509.06 : x
  2. Step 2: Convert to fraction form
    7,458.73/11,187.45 = 3,509.06/x
  3. Step 3: Cross multiply
    7,458.73x = 11,187.45 × 3,509.06
  4. Step 4: Simplify right side
    7,458.73x = 39,257,433.30
  5. Step 5: Solve for x
    x = 39,257,433.30/7,458.73
  6. Step 6: Final answer
    x = 5,263.29

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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.