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Finding the Fourth Proportional to 5,578.94, 8,366.30 and 1,880.18

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Solution

The fourth proportional to 5,578.94, 8,366.30 and 1,880.18 is: 2,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.94 : 8,366.30 = 1,880.18 : x
  2. Step 2: Convert to fraction form
    5,578.94/8,366.30 = 1,880.18/x
  3. Step 3: Cross multiply
    5,578.94x = 8,366.30 × 1,880.18
  4. Step 4: Simplify right side
    5,578.94x = 15,730,149.93
  5. Step 5: Solve for x
    x = 15,730,149.93/5,578.94
  6. Step 6: Final answer
    x = 2,819.56

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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.