Home / 5,321.43-7,341.84-3,553.47

Finding the Fourth Proportional to 5,321.43, 7,341.84 and 3,553.47

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Solution

The fourth proportional to 5,321.43, 7,341.84 and 3,553.47 is: 4,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.43 : 7,341.84 = 3,553.47 : x
  2. Step 2: Convert to fraction form
    5,321.43/7,341.84 = 3,553.47/x
  3. Step 3: Cross multiply
    5,321.43x = 7,341.84 × 3,553.47
  4. Step 4: Simplify right side
    5,321.43x = 26,089,008.18
  5. Step 5: Solve for x
    x = 26,089,008.18/5,321.43
  6. Step 6: Final answer
    x = 4,902.63

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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.