Home / 5,686.07-7,847.12-3,168.59

Finding the Fourth Proportional to 5,686.07, 7,847.12 and 3,168.59

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Solution

The fourth proportional to 5,686.07, 7,847.12 and 3,168.59 is: 4,372.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.07 : 7,847.12 = 3,168.59 : x
  2. Step 2: Convert to fraction form
    5,686.07/7,847.12 = 3,168.59/x
  3. Step 3: Cross multiply
    5,686.07x = 7,847.12 × 3,168.59
  4. Step 4: Simplify right side
    5,686.07x = 24,864,250.88
  5. Step 5: Solve for x
    x = 24,864,250.88/5,686.07
  6. Step 6: Final answer
    x = 4,372.84

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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.