Home / 5,818-8,028.78-3,460.09

Finding the Fourth Proportional to 5,818, 8,028.78 and 3,460.09

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Solution

The fourth proportional to 5,818, 8,028.78 and 3,460.09 is: 4,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818 : 8,028.78 = 3,460.09 : x
  2. Step 2: Convert to fraction form
    5,818/8,028.78 = 3,460.09/x
  3. Step 3: Cross multiply
    5,818x = 8,028.78 × 3,460.09
  4. Step 4: Simplify right side
    5,818x = 27,780,301.39
  5. Step 5: Solve for x
    x = 27,780,301.39/5,818
  6. Step 6: Final answer
    x = 4,774.89

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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.