Home / 5,192.32-7,783.85-1,904.65

Finding the Fourth Proportional to 5,192.32, 7,783.85 and 1,904.65

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Solution

The fourth proportional to 5,192.32, 7,783.85 and 1,904.65 is: 2,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.32 : 7,783.85 = 1,904.65 : x
  2. Step 2: Convert to fraction form
    5,192.32/7,783.85 = 1,904.65/x
  3. Step 3: Cross multiply
    5,192.32x = 7,783.85 × 1,904.65
  4. Step 4: Simplify right side
    5,192.32x = 14,825,480.92
  5. Step 5: Solve for x
    x = 14,825,480.92/5,192.32
  6. Step 6: Final answer
    x = 2,855.27

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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.