Home / 5,568.57-7,682.49-3,178.67

Finding the Fourth Proportional to 5,568.57, 7,682.49 and 3,178.67

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Solution

The fourth proportional to 5,568.57, 7,682.49 and 3,178.67 is: 4,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.57 : 7,682.49 = 3,178.67 : x
  2. Step 2: Convert to fraction form
    5,568.57/7,682.49 = 3,178.67/x
  3. Step 3: Cross multiply
    5,568.57x = 7,682.49 × 3,178.67
  4. Step 4: Simplify right side
    5,568.57x = 24,420,119.69
  5. Step 5: Solve for x
    x = 24,420,119.69/5,568.57
  6. Step 6: Final answer
    x = 4,385.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.