Home / 4,579.35-6,867-1,458.78

Finding the Fourth Proportional to 4,579.35, 6,867 and 1,458.78

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Solution

The fourth proportional to 4,579.35, 6,867 and 1,458.78 is: 2,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.35 : 6,867 = 1,458.78 : x
  2. Step 2: Convert to fraction form
    4,579.35/6,867 = 1,458.78/x
  3. Step 3: Cross multiply
    4,579.35x = 6,867 × 1,458.78
  4. Step 4: Simplify right side
    4,579.35x = 10,017,442.26
  5. Step 5: Solve for x
    x = 10,017,442.26/4,579.35
  6. Step 6: Final answer
    x = 2,187.52

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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.