Home / 8,582.96-12,875.36-2,738.20

Finding the Fourth Proportional to 8,582.96, 12,875.36 and 2,738.20

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Solution

The fourth proportional to 8,582.96, 12,875.36 and 2,738.20 is: 4,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.96 : 12,875.36 = 2,738.20 : x
  2. Step 2: Convert to fraction form
    8,582.96/12,875.36 = 2,738.20/x
  3. Step 3: Cross multiply
    8,582.96x = 12,875.36 × 2,738.20
  4. Step 4: Simplify right side
    8,582.96x = 35,255,310.75
  5. Step 5: Solve for x
    x = 35,255,310.75/8,582.96
  6. Step 6: Final answer
    x = 4,107.59

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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.