Home / 5,638.96-8,459.32-1,742.44

Finding the Fourth Proportional to 5,638.96, 8,459.32 and 1,742.44

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Solution

The fourth proportional to 5,638.96, 8,459.32 and 1,742.44 is: 2,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.96 : 8,459.32 = 1,742.44 : x
  2. Step 2: Convert to fraction form
    5,638.96/8,459.32 = 1,742.44/x
  3. Step 3: Cross multiply
    5,638.96x = 8,459.32 × 1,742.44
  4. Step 4: Simplify right side
    5,638.96x = 14,739,857.54
  5. Step 5: Solve for x
    x = 14,739,857.54/5,638.96
  6. Step 6: Final answer
    x = 2,613.93

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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.