Home / 8,210.36-12,316.15-2,664.60

Finding the Fourth Proportional to 8,210.36, 12,316.15 and 2,664.60

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Solution

The fourth proportional to 8,210.36, 12,316.15 and 2,664.60 is: 3,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.36 : 12,316.15 = 2,664.60 : x
  2. Step 2: Convert to fraction form
    8,210.36/12,316.15 = 2,664.60/x
  3. Step 3: Cross multiply
    8,210.36x = 12,316.15 × 2,664.60
  4. Step 4: Simplify right side
    8,210.36x = 32,817,570.44
  5. Step 5: Solve for x
    x = 32,817,570.44/8,210.36
  6. Step 6: Final answer
    x = 3,997.09

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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.