Home / 5,947.85-8,921.85-2,828.18

Finding the Fourth Proportional to 5,947.85, 8,921.85 and 2,828.18

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Solution

The fourth proportional to 5,947.85, 8,921.85 and 2,828.18 is: 4,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,947.85 : 8,921.85 = 2,828.18 : x
  2. Step 2: Convert to fraction form
    5,947.85/8,921.85 = 2,828.18/x
  3. Step 3: Cross multiply
    5,947.85x = 8,921.85 × 2,828.18
  4. Step 4: Simplify right side
    5,947.85x = 25,232,597.73
  5. Step 5: Solve for x
    x = 25,232,597.73/5,947.85
  6. Step 6: Final answer
    x = 4,242.31

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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.