Home / 8,583.90-12,878.30-2,740.96

Finding the Fourth Proportional to 8,583.90, 12,878.30 and 2,740.96

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Solution

The fourth proportional to 8,583.90, 12,878.30 and 2,740.96 is: 4,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.90 : 12,878.30 = 2,740.96 : x
  2. Step 2: Convert to fraction form
    8,583.90/12,878.30 = 2,740.96/x
  3. Step 3: Cross multiply
    8,583.90x = 12,878.30 × 2,740.96
  4. Step 4: Simplify right side
    8,583.90x = 35,298,905.17
  5. Step 5: Solve for x
    x = 35,298,905.17/8,583.90
  6. Step 6: Final answer
    x = 4,112.22

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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.