Home / 4,856.49-7,285.46-1,778.25

Finding the Fourth Proportional to 4,856.49, 7,285.46 and 1,778.25

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Solution

The fourth proportional to 4,856.49, 7,285.46 and 1,778.25 is: 2,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.49 : 7,285.46 = 1,778.25 : x
  2. Step 2: Convert to fraction form
    4,856.49/7,285.46 = 1,778.25/x
  3. Step 3: Cross multiply
    4,856.49x = 7,285.46 × 1,778.25
  4. Step 4: Simplify right side
    4,856.49x = 12,955,360.35
  5. Step 5: Solve for x
    x = 12,955,360.35/4,856.49
  6. Step 6: Final answer
    x = 2,667.64

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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.