Home / 8,026.40-12,039.60-2,828.63

Finding the Fourth Proportional to 8,026.40, 12,039.60 and 2,828.63

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Solution

The fourth proportional to 8,026.40, 12,039.60 and 2,828.63 is: 4,242.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,026.40 : 12,039.60 = 2,828.63 : x
  2. Step 2: Convert to fraction form
    8,026.40/12,039.60 = 2,828.63/x
  3. Step 3: Cross multiply
    8,026.40x = 12,039.60 × 2,828.63
  4. Step 4: Simplify right side
    8,026.40x = 34,055,513.55
  5. Step 5: Solve for x
    x = 34,055,513.55/8,026.40
  6. Step 6: Final answer
    x = 4,242.94

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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.