Home / 6,408.52-8,840.44-3,614.20

Finding the Fourth Proportional to 6,408.52, 8,840.44 and 3,614.20

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Solution

The fourth proportional to 6,408.52, 8,840.44 and 3,614.20 is: 4,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.52 : 8,840.44 = 3,614.20 : x
  2. Step 2: Convert to fraction form
    6,408.52/8,840.44 = 3,614.20/x
  3. Step 3: Cross multiply
    6,408.52x = 8,840.44 × 3,614.20
  4. Step 4: Simplify right side
    6,408.52x = 31,951,118.25
  5. Step 5: Solve for x
    x = 31,951,118.25/6,408.52
  6. Step 6: Final answer
    x = 4,985.72

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1.5x scale

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.