Home / 5,919.81-8,881.50-1,759.95

Finding the Fourth Proportional to 5,919.81, 8,881.50 and 1,759.95

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Solution

The fourth proportional to 5,919.81, 8,881.50 and 1,759.95 is: 2,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.81 : 8,881.50 = 1,759.95 : x
  2. Step 2: Convert to fraction form
    5,919.81/8,881.50 = 1,759.95/x
  3. Step 3: Cross multiply
    5,919.81x = 8,881.50 × 1,759.95
  4. Step 4: Simplify right side
    5,919.81x = 15,630,995.93
  5. Step 5: Solve for x
    x = 15,630,995.93/5,919.81
  6. Step 6: Final answer
    x = 2,640.46

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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.