Home / 7,340.09-11,011.34-2,660.38

Finding the Fourth Proportional to 7,340.09, 11,011.34 and 2,660.38

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Solution

The fourth proportional to 7,340.09, 11,011.34 and 2,660.38 is: 3,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.09 : 11,011.34 = 2,660.38 : x
  2. Step 2: Convert to fraction form
    7,340.09/11,011.34 = 2,660.38/x
  3. Step 3: Cross multiply
    7,340.09x = 11,011.34 × 2,660.38
  4. Step 4: Simplify right side
    7,340.09x = 29,294,327.83
  5. Step 5: Solve for x
    x = 29,294,327.83/7,340.09
  6. Step 6: Final answer
    x = 3,991.01

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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.