Home / 6,408.42-9,618.03-2,515.56

Finding the Fourth Proportional to 6,408.42, 9,618.03 and 2,515.56

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Solution

The fourth proportional to 6,408.42, 9,618.03 and 2,515.56 is: 3,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.42 : 9,618.03 = 2,515.56 : x
  2. Step 2: Convert to fraction form
    6,408.42/9,618.03 = 2,515.56/x
  3. Step 3: Cross multiply
    6,408.42x = 9,618.03 × 2,515.56
  4. Step 4: Simplify right side
    6,408.42x = 24,194,731.55
  5. Step 5: Solve for x
    x = 24,194,731.55/6,408.42
  6. Step 6: Final answer
    x = 3,775.46

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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.