Home / 4,438.24-6,656.78-1,318.56

Finding the Fourth Proportional to 4,438.24, 6,656.78 and 1,318.56

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Solution

The fourth proportional to 4,438.24, 6,656.78 and 1,318.56 is: 1,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.24 : 6,656.78 = 1,318.56 : x
  2. Step 2: Convert to fraction form
    4,438.24/6,656.78 = 1,318.56/x
  3. Step 3: Cross multiply
    4,438.24x = 6,656.78 × 1,318.56
  4. Step 4: Simplify right side
    4,438.24x = 8,777,363.84
  5. Step 5: Solve for x
    x = 8,777,363.84/4,438.24
  6. Step 6: Final answer
    x = 1,977.67

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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.