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Finding the Fourth Proportional to 6,201.78, 9,303.17 and 2,913.07

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Solution

The fourth proportional to 6,201.78, 9,303.17 and 2,913.07 is: 4,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,201.78 : 9,303.17 = 2,913.07 : x
  2. Step 2: Convert to fraction form
    6,201.78/9,303.17 = 2,913.07/x
  3. Step 3: Cross multiply
    6,201.78x = 9,303.17 × 2,913.07
  4. Step 4: Simplify right side
    6,201.78x = 27,100,785.43
  5. Step 5: Solve for x
    x = 27,100,785.43/6,201.78
  6. Step 6: Final answer
    x = 4,369.84

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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.