Home / 5,686.34-7,847.55-3,168.62

Finding the Fourth Proportional to 5,686.34, 7,847.55 and 3,168.62

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Solution

The fourth proportional to 5,686.34, 7,847.55 and 3,168.62 is: 4,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,686.34 : 7,847.55 = 3,168.62 : x
  2. Step 2: Convert to fraction form
    5,686.34/7,847.55 = 3,168.62/x
  3. Step 3: Cross multiply
    5,686.34x = 7,847.55 × 3,168.62
  4. Step 4: Simplify right side
    5,686.34x = 24,865,903.88
  5. Step 5: Solve for x
    x = 24,865,903.88/5,686.34
  6. Step 6: Final answer
    x = 4,372.92

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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.