Home / 5,880.32-8,821.68-1,984.64

Finding the Fourth Proportional to 5,880.32, 8,821.68 and 1,984.64

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Solution

The fourth proportional to 5,880.32, 8,821.68 and 1,984.64 is: 2,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.32 : 8,821.68 = 1,984.64 : x
  2. Step 2: Convert to fraction form
    5,880.32/8,821.68 = 1,984.64/x
  3. Step 3: Cross multiply
    5,880.32x = 8,821.68 × 1,984.64
  4. Step 4: Simplify right side
    5,880.32x = 17,507,859.00
  5. Step 5: Solve for x
    x = 17,507,859.00/5,880.32
  6. Step 6: Final answer
    x = 2,977.37

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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.