Home / 5,192.58-7,788.88-1,905.94

Finding the Fourth Proportional to 5,192.58, 7,788.88 and 1,905.94

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Solution

The fourth proportional to 5,192.58, 7,788.88 and 1,905.94 is: 2,858.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.58 : 7,788.88 = 1,905.94 : x
  2. Step 2: Convert to fraction form
    5,192.58/7,788.88 = 1,905.94/x
  3. Step 3: Cross multiply
    5,192.58x = 7,788.88 × 1,905.94
  4. Step 4: Simplify right side
    5,192.58x = 14,845,137.95
  5. Step 5: Solve for x
    x = 14,845,137.95/5,192.58
  6. Step 6: Final answer
    x = 2,858.91

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1.5x scale

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.