Home / 5,858.18-8,784.44-2,162.15

Finding the Fourth Proportional to 5,858.18, 8,784.44 and 2,162.15

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Solution

The fourth proportional to 5,858.18, 8,784.44 and 2,162.15 is: 3,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.18 : 8,784.44 = 2,162.15 : x
  2. Step 2: Convert to fraction form
    5,858.18/8,784.44 = 2,162.15/x
  3. Step 3: Cross multiply
    5,858.18x = 8,784.44 × 2,162.15
  4. Step 4: Simplify right side
    5,858.18x = 18,993,266.14
  5. Step 5: Solve for x
    x = 18,993,266.14/5,858.18
  6. Step 6: Final answer
    x = 3,242.18

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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.