Home / 4,518.42-6,778.09-1,556.48

Finding the Fourth Proportional to 4,518.42, 6,778.09 and 1,556.48

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Solution

The fourth proportional to 4,518.42, 6,778.09 and 1,556.48 is: 2,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.42 : 6,778.09 = 1,556.48 : x
  2. Step 2: Convert to fraction form
    4,518.42/6,778.09 = 1,556.48/x
  3. Step 3: Cross multiply
    4,518.42x = 6,778.09 × 1,556.48
  4. Step 4: Simplify right side
    4,518.42x = 10,549,927.24
  5. Step 5: Solve for x
    x = 10,549,927.24/4,518.42
  6. Step 6: Final answer
    x = 2,334.87

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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.