Home / 6,427.89-9,647.78-3,967.52

Finding the Fourth Proportional to 6,427.89, 9,647.78 and 3,967.52

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Solution

The fourth proportional to 6,427.89, 9,647.78 and 3,967.52 is: 5,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.89 : 9,647.78 = 3,967.52 : x
  2. Step 2: Convert to fraction form
    6,427.89/9,647.78 = 3,967.52/x
  3. Step 3: Cross multiply
    6,427.89x = 9,647.78 × 3,967.52
  4. Step 4: Simplify right side
    6,427.89x = 38,277,692.03
  5. Step 5: Solve for x
    x = 38,277,692.03/6,427.89
  6. Step 6: Final answer
    x = 5,954.94

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1.5x scale

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.