Home / 5,257.52-7,887.40-1,794.48

Finding the Fourth Proportional to 5,257.52, 7,887.40 and 1,794.48

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Solution

The fourth proportional to 5,257.52, 7,887.40 and 1,794.48 is: 2,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.52 : 7,887.40 = 1,794.48 : x
  2. Step 2: Convert to fraction form
    5,257.52/7,887.40 = 1,794.48/x
  3. Step 3: Cross multiply
    5,257.52x = 7,887.40 × 1,794.48
  4. Step 4: Simplify right side
    5,257.52x = 14,153,781.55
  5. Step 5: Solve for x
    x = 14,153,781.55/5,257.52
  6. Step 6: Final answer
    x = 2,692.10

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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.