Home / 8,639.84-11,922.44-4,862.54

Finding the Fourth Proportional to 8,639.84, 11,922.44 and 4,862.54

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Solution

The fourth proportional to 8,639.84, 11,922.44 and 4,862.54 is: 6,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.84 : 11,922.44 = 4,862.54 : x
  2. Step 2: Convert to fraction form
    8,639.84/11,922.44 = 4,862.54/x
  3. Step 3: Cross multiply
    8,639.84x = 11,922.44 × 4,862.54
  4. Step 4: Simplify right side
    8,639.84x = 57,973,257.47
  5. Step 5: Solve for x
    x = 57,973,257.47/8,639.84
  6. Step 6: Final answer
    x = 6,710.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.