Home / 7,342.68-11,004.29-3,438.89

Finding the Fourth Proportional to 7,342.68, 11,004.29 and 3,438.89

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Solution

The fourth proportional to 7,342.68, 11,004.29 and 3,438.89 is: 5,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.68 : 11,004.29 = 3,438.89 : x
  2. Step 2: Convert to fraction form
    7,342.68/11,004.29 = 3,438.89/x
  3. Step 3: Cross multiply
    7,342.68x = 11,004.29 × 3,438.89
  4. Step 4: Simplify right side
    7,342.68x = 37,842,524.78
  5. Step 5: Solve for x
    x = 37,842,524.78/7,342.68
  6. Step 6: Final answer
    x = 5,153.77

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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.