Home / 8,682.15-13,025.05-2,838.30

Finding the Fourth Proportional to 8,682.15, 13,025.05 and 2,838.30

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Solution

The fourth proportional to 8,682.15, 13,025.05 and 2,838.30 is: 4,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.15 : 13,025.05 = 2,838.30 : x
  2. Step 2: Convert to fraction form
    8,682.15/13,025.05 = 2,838.30/x
  3. Step 3: Cross multiply
    8,682.15x = 13,025.05 × 2,838.30
  4. Step 4: Simplify right side
    8,682.15x = 36,969,061.36
  5. Step 5: Solve for x
    x = 36,969,061.36/8,682.15
  6. Step 6: Final answer
    x = 4,258.05

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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.