Home / 8,628.03-12,932.76-4,922.28

Finding the Fourth Proportional to 8,628.03, 12,932.76 and 4,922.28

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Solution

The fourth proportional to 8,628.03, 12,932.76 and 4,922.28 is: 7,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.03 : 12,932.76 = 4,922.28 : x
  2. Step 2: Convert to fraction form
    8,628.03/12,932.76 = 4,922.28/x
  3. Step 3: Cross multiply
    8,628.03x = 12,932.76 × 4,922.28
  4. Step 4: Simplify right side
    8,628.03x = 63,658,665.89
  5. Step 5: Solve for x
    x = 63,658,665.89/8,628.03
  6. Step 6: Final answer
    x = 7,378.12

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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.