Home / 5,919.60-8,880.66-1,759.62

Finding the Fourth Proportional to 5,919.60, 8,880.66 and 1,759.62

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Solution

The fourth proportional to 5,919.60, 8,880.66 and 1,759.62 is: 2,639.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.60 : 8,880.66 = 1,759.62 : x
  2. Step 2: Convert to fraction form
    5,919.60/8,880.66 = 1,759.62/x
  3. Step 3: Cross multiply
    5,919.60x = 8,880.66 × 1,759.62
  4. Step 4: Simplify right side
    5,919.60x = 15,626,586.95
  5. Step 5: Solve for x
    x = 15,626,586.95/5,919.60
  6. Step 6: Final answer
    x = 2,639.80

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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.