Home / 5,577.84-8,359.32-4,989.12

Finding the Fourth Proportional to 5,577.84, 8,359.32 and 4,989.12

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Solution

The fourth proportional to 5,577.84, 8,359.32 and 4,989.12 is: 7,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.84 : 8,359.32 = 4,989.12 : x
  2. Step 2: Convert to fraction form
    5,577.84/8,359.32 = 4,989.12/x
  3. Step 3: Cross multiply
    5,577.84x = 8,359.32 × 4,989.12
  4. Step 4: Simplify right side
    5,577.84x = 41,705,650.60
  5. Step 5: Solve for x
    x = 41,705,650.60/5,577.84
  6. Step 6: Final answer
    x = 7,477.03

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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.