Home / 6,465.42-9,704.18-3,180.86

Finding the Fourth Proportional to 6,465.42, 9,704.18 and 3,180.86

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Solution

The fourth proportional to 6,465.42, 9,704.18 and 3,180.86 is: 4,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.42 : 9,704.18 = 3,180.86 : x
  2. Step 2: Convert to fraction form
    6,465.42/9,704.18 = 3,180.86/x
  3. Step 3: Cross multiply
    6,465.42x = 9,704.18 × 3,180.86
  4. Step 4: Simplify right side
    6,465.42x = 30,867,637.99
  5. Step 5: Solve for x
    x = 30,867,637.99/6,465.42
  6. Step 6: Final answer
    x = 4,774.27

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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.