Home / 4,623.48-6,378.75-2,856.06

Finding the Fourth Proportional to 4,623.48, 6,378.75 and 2,856.06

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Solution

The fourth proportional to 4,623.48, 6,378.75 and 2,856.06 is: 3,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.48 : 6,378.75 = 2,856.06 : x
  2. Step 2: Convert to fraction form
    4,623.48/6,378.75 = 2,856.06/x
  3. Step 3: Cross multiply
    4,623.48x = 6,378.75 × 2,856.06
  4. Step 4: Simplify right side
    4,623.48x = 18,218,092.73
  5. Step 5: Solve for x
    x = 18,218,092.73/4,623.48
  6. Step 6: Final answer
    x = 3,940.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.