Home / 7,374.43-11,063.26-5,420.71

Finding the Fourth Proportional to 7,374.43, 11,063.26 and 5,420.71

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Solution

The fourth proportional to 7,374.43, 11,063.26 and 5,420.71 is: 8,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.43 : 11,063.26 = 5,420.71 : x
  2. Step 2: Convert to fraction form
    7,374.43/11,063.26 = 5,420.71/x
  3. Step 3: Cross multiply
    7,374.43x = 11,063.26 × 5,420.71
  4. Step 4: Simplify right side
    7,374.43x = 59,970,682.90
  5. Step 5: Solve for x
    x = 59,970,682.90/7,374.43
  6. Step 6: Final answer
    x = 8,132.25

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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.