Home / 7,128.66-10,693.58-2,626.94

Finding the Fourth Proportional to 7,128.66, 10,693.58 and 2,626.94

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Solution

The fourth proportional to 7,128.66, 10,693.58 and 2,626.94 is: 3,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128.66 : 10,693.58 = 2,626.94 : x
  2. Step 2: Convert to fraction form
    7,128.66/10,693.58 = 2,626.94/x
  3. Step 3: Cross multiply
    7,128.66x = 10,693.58 × 2,626.94
  4. Step 4: Simplify right side
    7,128.66x = 28,091,393.05
  5. Step 5: Solve for x
    x = 28,091,393.05/7,128.66
  6. Step 6: Final answer
    x = 3,940.63

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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.