Home / 5,609.55-8,417.96-2,146.80

Finding the Fourth Proportional to 5,609.55, 8,417.96 and 2,146.80

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Solution

The fourth proportional to 5,609.55, 8,417.96 and 2,146.80 is: 3,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.55 : 8,417.96 = 2,146.80 : x
  2. Step 2: Convert to fraction form
    5,609.55/8,417.96 = 2,146.80/x
  3. Step 3: Cross multiply
    5,609.55x = 8,417.96 × 2,146.80
  4. Step 4: Simplify right side
    5,609.55x = 18,071,676.53
  5. Step 5: Solve for x
    x = 18,071,676.53/5,609.55
  6. Step 6: Final answer
    x = 3,221.59

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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.