Home / 4,626.45-6,940.89-1,339.47

Finding the Fourth Proportional to 4,626.45, 6,940.89 and 1,339.47

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Solution

The fourth proportional to 4,626.45, 6,940.89 and 1,339.47 is: 2,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.45 : 6,940.89 = 1,339.47 : x
  2. Step 2: Convert to fraction form
    4,626.45/6,940.89 = 1,339.47/x
  3. Step 3: Cross multiply
    4,626.45x = 6,940.89 × 1,339.47
  4. Step 4: Simplify right side
    4,626.45x = 9,297,113.93
  5. Step 5: Solve for x
    x = 9,297,113.93/4,626.45
  6. Step 6: Final answer
    x = 2,009.56

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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.