Home / 5,353.56-7,387.79-2,963.48

Finding the Fourth Proportional to 5,353.56, 7,387.79 and 2,963.48

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Solution

The fourth proportional to 5,353.56, 7,387.79 and 2,963.48 is: 4,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,353.56 : 7,387.79 = 2,963.48 : x
  2. Step 2: Convert to fraction form
    5,353.56/7,387.79 = 2,963.48/x
  3. Step 3: Cross multiply
    5,353.56x = 7,387.79 × 2,963.48
  4. Step 4: Simplify right side
    5,353.56x = 21,893,516.15
  5. Step 5: Solve for x
    x = 21,893,516.15/5,353.56
  6. Step 6: Final answer
    x = 4,089.52

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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.