Home / 4,947.08-6,827.72-2,822.60

Finding the Fourth Proportional to 4,947.08, 6,827.72 and 2,822.60

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Solution

The fourth proportional to 4,947.08, 6,827.72 and 2,822.60 is: 3,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.08 : 6,827.72 = 2,822.60 : x
  2. Step 2: Convert to fraction form
    4,947.08/6,827.72 = 2,822.60/x
  3. Step 3: Cross multiply
    4,947.08x = 6,827.72 × 2,822.60
  4. Step 4: Simplify right side
    4,947.08x = 19,271,922.47
  5. Step 5: Solve for x
    x = 19,271,922.47/4,947.08
  6. Step 6: Final answer
    x = 3,895.62

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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.