Home / 5,074.08-7,611.16-1,786.42

Finding the Fourth Proportional to 5,074.08, 7,611.16 and 1,786.42

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Solution

The fourth proportional to 5,074.08, 7,611.16 and 1,786.42 is: 2,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.08 : 7,611.16 = 1,786.42 : x
  2. Step 2: Convert to fraction form
    5,074.08/7,611.16 = 1,786.42/x
  3. Step 3: Cross multiply
    5,074.08x = 7,611.16 × 1,786.42
  4. Step 4: Simplify right side
    5,074.08x = 13,596,728.45
  5. Step 5: Solve for x
    x = 13,596,728.45/5,074.08
  6. Step 6: Final answer
    x = 2,679.64

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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.