Home / 5,442.99-8,162.65-2,157.22

Finding the Fourth Proportional to 5,442.99, 8,162.65 and 2,157.22

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Solution

The fourth proportional to 5,442.99, 8,162.65 and 2,157.22 is: 3,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.99 : 8,162.65 = 2,157.22 : x
  2. Step 2: Convert to fraction form
    5,442.99/8,162.65 = 2,157.22/x
  3. Step 3: Cross multiply
    5,442.99x = 8,162.65 × 2,157.22
  4. Step 4: Simplify right side
    5,442.99x = 17,608,631.83
  5. Step 5: Solve for x
    x = 17,608,631.83/5,442.99
  6. Step 6: Final answer
    x = 3,235.10

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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.