Home / 9,158.10-13,738.37-4,228.85

Finding the Fourth Proportional to 9,158.10, 13,738.37 and 4,228.85

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Solution

The fourth proportional to 9,158.10, 13,738.37 and 4,228.85 is: 6,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,158.10 : 13,738.37 = 4,228.85 : x
  2. Step 2: Convert to fraction form
    9,158.10/13,738.37 = 4,228.85/x
  3. Step 3: Cross multiply
    9,158.10x = 13,738.37 × 4,228.85
  4. Step 4: Simplify right side
    9,158.10x = 58,097,416.14
  5. Step 5: Solve for x
    x = 58,097,416.14/9,158.10
  6. Step 6: Final answer
    x = 6,343.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.