Home / 8,810.05-13,214.96-2,146.58

Finding the Fourth Proportional to 8,810.05, 13,214.96 and 2,146.58

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Solution

The fourth proportional to 8,810.05, 13,214.96 and 2,146.58 is: 3,219.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.05 : 13,214.96 = 2,146.58 : x
  2. Step 2: Convert to fraction form
    8,810.05/13,214.96 = 2,146.58/x
  3. Step 3: Cross multiply
    8,810.05x = 13,214.96 × 2,146.58
  4. Step 4: Simplify right side
    8,810.05x = 28,366,968.84
  5. Step 5: Solve for x
    x = 28,366,968.84/8,810.05
  6. Step 6: Final answer
    x = 3,219.84

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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.