Home / 7,420.88-11,132.04-2,490.56

Finding the Fourth Proportional to 7,420.88, 11,132.04 and 2,490.56

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Solution

The fourth proportional to 7,420.88, 11,132.04 and 2,490.56 is: 3,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.88 : 11,132.04 = 2,490.56 : x
  2. Step 2: Convert to fraction form
    7,420.88/11,132.04 = 2,490.56/x
  3. Step 3: Cross multiply
    7,420.88x = 11,132.04 × 2,490.56
  4. Step 4: Simplify right side
    7,420.88x = 27,725,013.54
  5. Step 5: Solve for x
    x = 27,725,013.54/7,420.88
  6. Step 6: Final answer
    x = 3,736.08

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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.