Home / 5,321.08-7,343.40-2,963.28

Finding the Fourth Proportional to 5,321.08, 7,343.40 and 2,963.28

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Solution

The fourth proportional to 5,321.08, 7,343.40 and 2,963.28 is: 4,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.08 : 7,343.40 = 2,963.28 : x
  2. Step 2: Convert to fraction form
    5,321.08/7,343.40 = 2,963.28/x
  3. Step 3: Cross multiply
    5,321.08x = 7,343.40 × 2,963.28
  4. Step 4: Simplify right side
    5,321.08x = 21,760,550.35
  5. Step 5: Solve for x
    x = 21,760,550.35/5,321.08
  6. Step 6: Final answer
    x = 4,089.50

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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.