Home / 5,192.42-7,783.99-1,904.74

Finding the Fourth Proportional to 5,192.42, 7,783.99 and 1,904.74

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Solution

The fourth proportional to 5,192.42, 7,783.99 and 1,904.74 is: 2,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.42 : 7,783.99 = 1,904.74 : x
  2. Step 2: Convert to fraction form
    5,192.42/7,783.99 = 1,904.74/x
  3. Step 3: Cross multiply
    5,192.42x = 7,783.99 × 1,904.74
  4. Step 4: Simplify right side
    5,192.42x = 14,826,452.89
  5. Step 5: Solve for x
    x = 14,826,452.89/5,192.42
  6. Step 6: Final answer
    x = 2,855.41

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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.