Home / 5,471.52-8,209.08-2,182.80

Finding the Fourth Proportional to 5,471.52, 8,209.08 and 2,182.80

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Solution

The fourth proportional to 5,471.52, 8,209.08 and 2,182.80 is: 3,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.52 : 8,209.08 = 2,182.80 : x
  2. Step 2: Convert to fraction form
    5,471.52/8,209.08 = 2,182.80/x
  3. Step 3: Cross multiply
    5,471.52x = 8,209.08 × 2,182.80
  4. Step 4: Simplify right side
    5,471.52x = 17,918,779.82
  5. Step 5: Solve for x
    x = 17,918,779.82/5,471.52
  6. Step 6: Final answer
    x = 3,274.92

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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.