Home / 5,376.92-7,420.01-3,253.64

Finding the Fourth Proportional to 5,376.92, 7,420.01 and 3,253.64

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Solution

The fourth proportional to 5,376.92, 7,420.01 and 3,253.64 is: 4,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.92 : 7,420.01 = 3,253.64 : x
  2. Step 2: Convert to fraction form
    5,376.92/7,420.01 = 3,253.64/x
  3. Step 3: Cross multiply
    5,376.92x = 7,420.01 × 3,253.64
  4. Step 4: Simplify right side
    5,376.92x = 24,141,987.97
  5. Step 5: Solve for x
    x = 24,141,987.97/5,376.92
  6. Step 6: Final answer
    x = 4,489.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.