Home / 6,287.78-9,435.65-3,516.27

Finding the Fourth Proportional to 6,287.78, 9,435.65 and 3,516.27

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Solution

The fourth proportional to 6,287.78, 9,435.65 and 3,516.27 is: 5,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.78 : 9,435.65 = 3,516.27 : x
  2. Step 2: Convert to fraction form
    6,287.78/9,435.65 = 3,516.27/x
  3. Step 3: Cross multiply
    6,287.78x = 9,435.65 × 3,516.27
  4. Step 4: Simplify right side
    6,287.78x = 33,178,293.03
  5. Step 5: Solve for x
    x = 33,178,293.03/6,287.78
  6. Step 6: Final answer
    x = 5,276.63

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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.