Home / 5,461.28-8,182.92-2,538.80

Finding the Fourth Proportional to 5,461.28, 8,182.92 and 2,538.80

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Solution

The fourth proportional to 5,461.28, 8,182.92 and 2,538.80 is: 3,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.28 : 8,182.92 = 2,538.80 : x
  2. Step 2: Convert to fraction form
    5,461.28/8,182.92 = 2,538.80/x
  3. Step 3: Cross multiply
    5,461.28x = 8,182.92 × 2,538.80
  4. Step 4: Simplify right side
    5,461.28x = 20,774,797.30
  5. Step 5: Solve for x
    x = 20,774,797.30/5,461.28
  6. Step 6: Final answer
    x = 3,804.02

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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.