Home / 5,213.23-7,822.37-2,291.15

Finding the Fourth Proportional to 5,213.23, 7,822.37 and 2,291.15

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Solution

The fourth proportional to 5,213.23, 7,822.37 and 2,291.15 is: 3,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.23 : 7,822.37 = 2,291.15 : x
  2. Step 2: Convert to fraction form
    5,213.23/7,822.37 = 2,291.15/x
  3. Step 3: Cross multiply
    5,213.23x = 7,822.37 × 2,291.15
  4. Step 4: Simplify right side
    5,213.23x = 17,922,248.31
  5. Step 5: Solve for x
    x = 17,922,248.31/5,213.23
  6. Step 6: Final answer
    x = 3,437.84

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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.