Home / 4,425.62-6,639.35-1,305.36

Finding the Fourth Proportional to 4,425.62, 6,639.35 and 1,305.36

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Solution

The fourth proportional to 4,425.62, 6,639.35 and 1,305.36 is: 1,958.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.62 : 6,639.35 = 1,305.36 : x
  2. Step 2: Convert to fraction form
    4,425.62/6,639.35 = 1,305.36/x
  3. Step 3: Cross multiply
    4,425.62x = 6,639.35 × 1,305.36
  4. Step 4: Simplify right side
    4,425.62x = 8,666,735.39
  5. Step 5: Solve for x
    x = 8,666,735.39/4,425.62
  6. Step 6: Final answer
    x = 1,958.31

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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.