Home / 4,947.00-6,827.05-2,822.88

Finding the Fourth Proportional to 4,947.00, 6,827.05 and 2,822.88

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Solution

The fourth proportional to 4,947.00, 6,827.05 and 2,822.88 is: 3,895.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.00 : 6,827.05 = 2,822.88 : x
  2. Step 2: Convert to fraction form
    4,947.00/6,827.05 = 2,822.88/x
  3. Step 3: Cross multiply
    4,947.00x = 6,827.05 × 2,822.88
  4. Step 4: Simplify right side
    4,947.00x = 19,271,902.52
  5. Step 5: Solve for x
    x = 19,271,902.52/4,947.00
  6. Step 6: Final answer
    x = 3,895.68

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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.