Home / 6,073.60-8,381.74-3,420.86

Finding the Fourth Proportional to 6,073.60, 8,381.74 and 3,420.86

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Solution

The fourth proportional to 6,073.60, 8,381.74 and 3,420.86 is: 4,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,073.60 : 8,381.74 = 3,420.86 : x
  2. Step 2: Convert to fraction form
    6,073.60/8,381.74 = 3,420.86/x
  3. Step 3: Cross multiply
    6,073.60x = 8,381.74 × 3,420.86
  4. Step 4: Simplify right side
    6,073.60x = 28,672,759.10
  5. Step 5: Solve for x
    x = 28,672,759.10/6,073.60
  6. Step 6: Final answer
    x = 4,720.88

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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.