Home / 4,856.93-7,285.40-2,081.80

Finding the Fourth Proportional to 4,856.93, 7,285.40 and 2,081.80

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Solution

The fourth proportional to 4,856.93, 7,285.40 and 2,081.80 is: 3,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.93 : 7,285.40 = 2,081.80 : x
  2. Step 2: Convert to fraction form
    4,856.93/7,285.40 = 2,081.80/x
  3. Step 3: Cross multiply
    4,856.93x = 7,285.40 × 2,081.80
  4. Step 4: Simplify right side
    4,856.93x = 15,166,735.31
  5. Step 5: Solve for x
    x = 15,166,735.31/4,856.93
  6. Step 6: Final answer
    x = 3,122.70

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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.