Home / 5,194.30-7,794.86-1,907.42

Finding the Fourth Proportional to 5,194.30, 7,794.86 and 1,907.42

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Solution

The fourth proportional to 5,194.30, 7,794.86 and 1,907.42 is: 2,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.30 : 7,794.86 = 1,907.42 : x
  2. Step 2: Convert to fraction form
    5,194.30/7,794.86 = 1,907.42/x
  3. Step 3: Cross multiply
    5,194.30x = 7,794.86 × 1,907.42
  4. Step 4: Simplify right side
    5,194.30x = 14,868,062.32
  5. Step 5: Solve for x
    x = 14,868,062.32/5,194.30
  6. Step 6: Final answer
    x = 2,862.38

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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.