Home / 4,200.21-6,299.34-1,858.95

Finding the Fourth Proportional to 4,200.21, 6,299.34 and 1,858.95

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Solution

The fourth proportional to 4,200.21, 6,299.34 and 1,858.95 is: 2,787.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.21 : 6,299.34 = 1,858.95 : x
  2. Step 2: Convert to fraction form
    4,200.21/6,299.34 = 1,858.95/x
  3. Step 3: Cross multiply
    4,200.21x = 6,299.34 × 1,858.95
  4. Step 4: Simplify right side
    4,200.21x = 11,710,158.09
  5. Step 5: Solve for x
    x = 11,710,158.09/4,200.21
  6. Step 6: Final answer
    x = 2,787.99

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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.