Home / 8,582.90-12,876.80-2,739.96

Finding the Fourth Proportional to 8,582.90, 12,876.80 and 2,739.96

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Solution

The fourth proportional to 8,582.90, 12,876.80 and 2,739.96 is: 4,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.90 : 12,876.80 = 2,739.96 : x
  2. Step 2: Convert to fraction form
    8,582.90/12,876.80 = 2,739.96/x
  3. Step 3: Cross multiply
    8,582.90x = 12,876.80 × 2,739.96
  4. Step 4: Simplify right side
    8,582.90x = 35,281,903.23
  5. Step 5: Solve for x
    x = 35,281,903.23/8,582.90
  6. Step 6: Final answer
    x = 4,110.72

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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.