Home / 5,919.22-8,878.74-1,762.04

Finding the Fourth Proportional to 5,919.22, 8,878.74 and 1,762.04

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Solution

The fourth proportional to 5,919.22, 8,878.74 and 1,762.04 is: 2,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.22 : 8,878.74 = 1,762.04 : x
  2. Step 2: Convert to fraction form
    5,919.22/8,878.74 = 1,762.04/x
  3. Step 3: Cross multiply
    5,919.22x = 8,878.74 × 1,762.04
  4. Step 4: Simplify right side
    5,919.22x = 15,644,695.03
  5. Step 5: Solve for x
    x = 15,644,695.03/5,919.22
  6. Step 6: Final answer
    x = 2,643.03

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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.