Home / 4,940.11-7,411.54-2,856.31

Finding the Fourth Proportional to 4,940.11, 7,411.54 and 2,856.31

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Solution

The fourth proportional to 4,940.11, 7,411.54 and 2,856.31 is: 4,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.11 : 7,411.54 = 2,856.31 : x
  2. Step 2: Convert to fraction form
    4,940.11/7,411.54 = 2,856.31/x
  3. Step 3: Cross multiply
    4,940.11x = 7,411.54 × 2,856.31
  4. Step 4: Simplify right side
    4,940.11x = 21,169,673.18
  5. Step 5: Solve for x
    x = 21,169,673.18/4,940.11
  6. Step 6: Final answer
    x = 4,285.26

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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.