Home / 6,408.24-9,615.60-3,486.84

Finding the Fourth Proportional to 6,408.24, 9,615.60 and 3,486.84

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Solution

The fourth proportional to 6,408.24, 9,615.60 and 3,486.84 is: 5,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.24 : 9,615.60 = 3,486.84 : x
  2. Step 2: Convert to fraction form
    6,408.24/9,615.60 = 3,486.84/x
  3. Step 3: Cross multiply
    6,408.24x = 9,615.60 × 3,486.84
  4. Step 4: Simplify right side
    6,408.24x = 33,528,058.70
  5. Step 5: Solve for x
    x = 33,528,058.70/6,408.24
  6. Step 6: Final answer
    x = 5,232.02

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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.