Home / 8,680.04-13,022.10-2,836.64

Finding the Fourth Proportional to 8,680.04, 13,022.10 and 2,836.64

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Solution

The fourth proportional to 8,680.04, 13,022.10 and 2,836.64 is: 4,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.04 : 13,022.10 = 2,836.64 : x
  2. Step 2: Convert to fraction form
    8,680.04/13,022.10 = 2,836.64/x
  3. Step 3: Cross multiply
    8,680.04x = 13,022.10 × 2,836.64
  4. Step 4: Simplify right side
    8,680.04x = 36,939,009.74
  5. Step 5: Solve for x
    x = 36,939,009.74/8,680.04
  6. Step 6: Final answer
    x = 4,255.63

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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.