Home / 5,578.05-8,367.84-1,881.34

Finding the Fourth Proportional to 5,578.05, 8,367.84 and 1,881.34

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Solution

The fourth proportional to 5,578.05, 8,367.84 and 1,881.34 is: 2,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.05 : 8,367.84 = 1,881.34 : x
  2. Step 2: Convert to fraction form
    5,578.05/8,367.84 = 1,881.34/x
  3. Step 3: Cross multiply
    5,578.05x = 8,367.84 × 1,881.34
  4. Step 4: Simplify right side
    5,578.05x = 15,742,731.19
  5. Step 5: Solve for x
    x = 15,742,731.19/5,578.05
  6. Step 6: Final answer
    x = 2,822.26

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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.