Home / 5,282.40-7,923.60-1,584.28

Finding the Fourth Proportional to 5,282.40, 7,923.60 and 1,584.28

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Solution

The fourth proportional to 5,282.40, 7,923.60 and 1,584.28 is: 2,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.40 : 7,923.60 = 1,584.28 : x
  2. Step 2: Convert to fraction form
    5,282.40/7,923.60 = 1,584.28/x
  3. Step 3: Cross multiply
    5,282.40x = 7,923.60 × 1,584.28
  4. Step 4: Simplify right side
    5,282.40x = 12,553,201.01
  5. Step 5: Solve for x
    x = 12,553,201.01/5,282.40
  6. Step 6: Final answer
    x = 2,376.42

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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.