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Finding the Fourth Proportional to 8,959.79, 13,435.04 and 4,025.22

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Solution

The fourth proportional to 8,959.79, 13,435.04 and 4,025.22 is: 6,035.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.79 : 13,435.04 = 4,025.22 : x
  2. Step 2: Convert to fraction form
    8,959.79/13,435.04 = 4,025.22/x
  3. Step 3: Cross multiply
    8,959.79x = 13,435.04 × 4,025.22
  4. Step 4: Simplify right side
    8,959.79x = 54,078,951.39
  5. Step 5: Solve for x
    x = 54,078,951.39/8,959.79
  6. Step 6: Final answer
    x = 6,035.74

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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.