Home / 7,355.27-11,032.80-1,808.66

Finding the Fourth Proportional to 7,355.27, 11,032.80 and 1,808.66

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Solution

The fourth proportional to 7,355.27, 11,032.80 and 1,808.66 is: 2,712.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,355.27 : 11,032.80 = 1,808.66 : x
  2. Step 2: Convert to fraction form
    7,355.27/11,032.80 = 1,808.66/x
  3. Step 3: Cross multiply
    7,355.27x = 11,032.80 × 1,808.66
  4. Step 4: Simplify right side
    7,355.27x = 19,954,560.99
  5. Step 5: Solve for x
    x = 19,954,560.99/7,355.27
  6. Step 6: Final answer
    x = 2,712.96

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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.