Home / 5,285.44-7,928.58-1,775.46

Finding the Fourth Proportional to 5,285.44, 7,928.58 and 1,775.46

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Solution

The fourth proportional to 5,285.44, 7,928.58 and 1,775.46 is: 2,663.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.44 : 7,928.58 = 1,775.46 : x
  2. Step 2: Convert to fraction form
    5,285.44/7,928.58 = 1,775.46/x
  3. Step 3: Cross multiply
    5,285.44x = 7,928.58 × 1,775.46
  4. Step 4: Simplify right side
    5,285.44x = 14,076,876.65
  5. Step 5: Solve for x
    x = 14,076,876.65/5,285.44
  6. Step 6: Final answer
    x = 2,663.33

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1.5x scale

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.