Home / 5,578.19-8,367.31-1,880.45

Finding the Fourth Proportional to 5,578.19, 8,367.31 and 1,880.45

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Solution

The fourth proportional to 5,578.19, 8,367.31 and 1,880.45 is: 2,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.19 : 8,367.31 = 1,880.45 : x
  2. Step 2: Convert to fraction form
    5,578.19/8,367.31 = 1,880.45/x
  3. Step 3: Cross multiply
    5,578.19x = 8,367.31 × 1,880.45
  4. Step 4: Simplify right side
    5,578.19x = 15,734,308.09
  5. Step 5: Solve for x
    x = 15,734,308.09/5,578.19
  6. Step 6: Final answer
    x = 2,820.68

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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.