Home / 5,577.88-7,696.60-3,219.56

Finding the Fourth Proportional to 5,577.88, 7,696.60 and 3,219.56

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Solution

The fourth proportional to 5,577.88, 7,696.60 and 3,219.56 is: 4,442.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.88 : 7,696.60 = 3,219.56 : x
  2. Step 2: Convert to fraction form
    5,577.88/7,696.60 = 3,219.56/x
  3. Step 3: Cross multiply
    5,577.88x = 7,696.60 × 3,219.56
  4. Step 4: Simplify right side
    5,577.88x = 24,779,665.50
  5. Step 5: Solve for x
    x = 24,779,665.50/5,577.88
  6. Step 6: Final answer
    x = 4,442.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.