Home / 5,374.10-8,058.72-1,911.44

Finding the Fourth Proportional to 5,374.10, 8,058.72 and 1,911.44

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Solution

The fourth proportional to 5,374.10, 8,058.72 and 1,911.44 is: 2,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.10 : 8,058.72 = 1,911.44 : x
  2. Step 2: Convert to fraction form
    5,374.10/8,058.72 = 1,911.44/x
  3. Step 3: Cross multiply
    5,374.10x = 8,058.72 × 1,911.44
  4. Step 4: Simplify right side
    5,374.10x = 15,403,759.76
  5. Step 5: Solve for x
    x = 15,403,759.76/5,374.10
  6. Step 6: Final answer
    x = 2,866.30

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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.