Home / 5,686.10-7,846.25-3,168.11

Finding the Fourth Proportional to 5,686.10, 7,846.25 and 3,168.11

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Solution

The fourth proportional to 5,686.10, 7,846.25 and 3,168.11 is: 4,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.10 : 7,846.25 = 3,168.11 : x
  2. Step 2: Convert to fraction form
    5,686.10/7,846.25 = 3,168.11/x
  3. Step 3: Cross multiply
    5,686.10x = 7,846.25 × 3,168.11
  4. Step 4: Simplify right side
    5,686.10x = 24,857,743.86
  5. Step 5: Solve for x
    x = 24,857,743.86/5,686.10
  6. Step 6: Final answer
    x = 4,371.67

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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.