Home / 8,021.79-12,026.54-4,903.28

Finding the Fourth Proportional to 8,021.79, 12,026.54 and 4,903.28

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Solution

The fourth proportional to 8,021.79, 12,026.54 and 4,903.28 is: 7,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.79 : 12,026.54 = 4,903.28 : x
  2. Step 2: Convert to fraction form
    8,021.79/12,026.54 = 4,903.28/x
  3. Step 3: Cross multiply
    8,021.79x = 12,026.54 × 4,903.28
  4. Step 4: Simplify right side
    8,021.79x = 58,969,408.40
  5. Step 5: Solve for x
    x = 58,969,408.40/8,021.79
  6. Step 6: Final answer
    x = 7,351.15

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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.