Home / 4,945.59-6,825.74-2,821.50

Finding the Fourth Proportional to 4,945.59, 6,825.74 and 2,821.50

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Solution

The fourth proportional to 4,945.59, 6,825.74 and 2,821.50 is: 3,894.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.59 : 6,825.74 = 2,821.50 : x
  2. Step 2: Convert to fraction form
    4,945.59/6,825.74 = 2,821.50/x
  3. Step 3: Cross multiply
    4,945.59x = 6,825.74 × 2,821.50
  4. Step 4: Simplify right side
    4,945.59x = 19,258,811.30
  5. Step 5: Solve for x
    x = 19,258,811.30/4,945.59
  6. Step 6: Final answer
    x = 3,894.14

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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.