Home / 5,285.12-7,907.52-4,792.64

Finding the Fourth Proportional to 5,285.12, 7,907.52 and 4,792.64

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Solution

The fourth proportional to 5,285.12, 7,907.52 and 4,792.64 is: 7,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.12 : 7,907.52 = 4,792.64 : x
  2. Step 2: Convert to fraction form
    5,285.12/7,907.52 = 4,792.64/x
  3. Step 3: Cross multiply
    5,285.12x = 7,907.52 × 4,792.64
  4. Step 4: Simplify right side
    5,285.12x = 37,897,896.65
  5. Step 5: Solve for x
    x = 37,897,896.65/5,285.12
  6. Step 6: Final answer
    x = 7,170.68

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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.