Home / 8,106.16-12,154.68-2,558.47

Finding the Fourth Proportional to 8,106.16, 12,154.68 and 2,558.47

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Solution

The fourth proportional to 8,106.16, 12,154.68 and 2,558.47 is: 3,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.16 : 12,154.68 = 2,558.47 : x
  2. Step 2: Convert to fraction form
    8,106.16/12,154.68 = 2,558.47/x
  3. Step 3: Cross multiply
    8,106.16x = 12,154.68 × 2,558.47
  4. Step 4: Simplify right side
    8,106.16x = 31,097,384.14
  5. Step 5: Solve for x
    x = 31,097,384.14/8,106.16
  6. Step 6: Final answer
    x = 3,836.27

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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.