Home / 5,989.04-8,980.32-2,039.12

Finding the Fourth Proportional to 5,989.04, 8,980.32 and 2,039.12

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Solution

The fourth proportional to 5,989.04, 8,980.32 and 2,039.12 is: 3,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,989.04 : 8,980.32 = 2,039.12 : x
  2. Step 2: Convert to fraction form
    5,989.04/8,980.32 = 2,039.12/x
  3. Step 3: Cross multiply
    5,989.04x = 8,980.32 × 2,039.12
  4. Step 4: Simplify right side
    5,989.04x = 18,311,950.12
  5. Step 5: Solve for x
    x = 18,311,950.12/5,989.04
  6. Step 6: Final answer
    x = 3,057.58

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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.