Home / 4,947.48-6,826.68-2,822.85

Finding the Fourth Proportional to 4,947.48, 6,826.68 and 2,822.85

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Solution

The fourth proportional to 4,947.48, 6,826.68 and 2,822.85 is: 3,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.48 : 6,826.68 = 2,822.85 : x
  2. Step 2: Convert to fraction form
    4,947.48/6,826.68 = 2,822.85/x
  3. Step 3: Cross multiply
    4,947.48x = 6,826.68 × 2,822.85
  4. Step 4: Simplify right side
    4,947.48x = 19,270,693.64
  5. Step 5: Solve for x
    x = 19,270,693.64/4,947.48
  6. Step 6: Final answer
    x = 3,895.05

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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.