Home / 4,245.40-5,858.22-3,931.96

Finding the Fourth Proportional to 4,245.40, 5,858.22 and 3,931.96

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Solution

The fourth proportional to 4,245.40, 5,858.22 and 3,931.96 is: 5,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.40 : 5,858.22 = 3,931.96 : x
  2. Step 2: Convert to fraction form
    4,245.40/5,858.22 = 3,931.96/x
  3. Step 3: Cross multiply
    4,245.40x = 5,858.22 × 3,931.96
  4. Step 4: Simplify right side
    4,245.40x = 23,034,286.71
  5. Step 5: Solve for x
    x = 23,034,286.71/4,245.40
  6. Step 6: Final answer
    x = 5,425.70

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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.