Home / 5,284.25-7,927.60-1,586.55

Finding the Fourth Proportional to 5,284.25, 7,927.60 and 1,586.55

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Solution

The fourth proportional to 5,284.25, 7,927.60 and 1,586.55 is: 2,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.25 : 7,927.60 = 1,586.55 : x
  2. Step 2: Convert to fraction form
    5,284.25/7,927.60 = 1,586.55/x
  3. Step 3: Cross multiply
    5,284.25x = 7,927.60 × 1,586.55
  4. Step 4: Simplify right side
    5,284.25x = 12,577,558.05
  5. Step 5: Solve for x
    x = 12,577,558.05/5,284.25
  6. Step 6: Final answer
    x = 2,380.20

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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.