Home / 4,546.28-6,820.07-1,425.70

Finding the Fourth Proportional to 4,546.28, 6,820.07 and 1,425.70

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Solution

The fourth proportional to 4,546.28, 6,820.07 and 1,425.70 is: 2,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,546.28 : 6,820.07 = 1,425.70 : x
  2. Step 2: Convert to fraction form
    4,546.28/6,820.07 = 1,425.70/x
  3. Step 3: Cross multiply
    4,546.28x = 6,820.07 × 1,425.70
  4. Step 4: Simplify right side
    4,546.28x = 9,723,387.22
  5. Step 5: Solve for x
    x = 9,723,387.22/4,546.28
  6. Step 6: Final answer
    x = 2,138.76

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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.