Home / 5,285.52-7,928.25-1,336.77

Finding the Fourth Proportional to 5,285.52, 7,928.25 and 1,336.77

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Solution

The fourth proportional to 5,285.52, 7,928.25 and 1,336.77 is: 2,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.52 : 7,928.25 = 1,336.77 : x
  2. Step 2: Convert to fraction form
    5,285.52/7,928.25 = 1,336.77/x
  3. Step 3: Cross multiply
    5,285.52x = 7,928.25 × 1,336.77
  4. Step 4: Simplify right side
    5,285.52x = 10,598,246.75
  5. Step 5: Solve for x
    x = 10,598,246.75/5,285.52
  6. Step 6: Final answer
    x = 2,005.15

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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.