Home / 7,520.81-11,277.66-2,253.79

Finding the Fourth Proportional to 7,520.81, 11,277.66 and 2,253.79

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Solution

The fourth proportional to 7,520.81, 11,277.66 and 2,253.79 is: 3,379.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.81 : 11,277.66 = 2,253.79 : x
  2. Step 2: Convert to fraction form
    7,520.81/11,277.66 = 2,253.79/x
  3. Step 3: Cross multiply
    7,520.81x = 11,277.66 × 2,253.79
  4. Step 4: Simplify right side
    7,520.81x = 25,417,477.33
  5. Step 5: Solve for x
    x = 25,417,477.33/7,520.81
  6. Step 6: Final answer
    x = 3,379.62

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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.