Home / 4,804.80-7,200.64-2,029.12

Finding the Fourth Proportional to 4,804.80, 7,200.64 and 2,029.12

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Solution

The fourth proportional to 4,804.80, 7,200.64 and 2,029.12 is: 3,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.80 : 7,200.64 = 2,029.12 : x
  2. Step 2: Convert to fraction form
    4,804.80/7,200.64 = 2,029.12/x
  3. Step 3: Cross multiply
    4,804.80x = 7,200.64 × 2,029.12
  4. Step 4: Simplify right side
    4,804.80x = 14,610,962.64
  5. Step 5: Solve for x
    x = 14,610,962.64/4,804.80
  6. Step 6: Final answer
    x = 3,040.91

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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.