Home / 4,389.70-6,586.29-1,922.79

Finding the Fourth Proportional to 4,389.70, 6,586.29 and 1,922.79

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Solution

The fourth proportional to 4,389.70, 6,586.29 and 1,922.79 is: 2,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.70 : 6,586.29 = 1,922.79 : x
  2. Step 2: Convert to fraction form
    4,389.70/6,586.29 = 1,922.79/x
  3. Step 3: Cross multiply
    4,389.70x = 6,586.29 × 1,922.79
  4. Step 4: Simplify right side
    4,389.70x = 12,664,076.47
  5. Step 5: Solve for x
    x = 12,664,076.47/4,389.70
  6. Step 6: Final answer
    x = 2,884.95

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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.