Home / 4,455.21-6,680.94-1,335.67

Finding the Fourth Proportional to 4,455.21, 6,680.94 and 1,335.67

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Solution

The fourth proportional to 4,455.21, 6,680.94 and 1,335.67 is: 2,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.21 : 6,680.94 = 1,335.67 : x
  2. Step 2: Convert to fraction form
    4,455.21/6,680.94 = 1,335.67/x
  3. Step 3: Cross multiply
    4,455.21x = 6,680.94 × 1,335.67
  4. Step 4: Simplify right side
    4,455.21x = 8,923,509.42
  5. Step 5: Solve for x
    x = 8,923,509.42/4,455.21
  6. Step 6: Final answer
    x = 2,002.94

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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.