Home / 7,241.08-9,990.96-4,408.42

Finding the Fourth Proportional to 7,241.08, 9,990.96 and 4,408.42

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Solution

The fourth proportional to 7,241.08, 9,990.96 and 4,408.42 is: 6,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.08 : 9,990.96 = 4,408.42 : x
  2. Step 2: Convert to fraction form
    7,241.08/9,990.96 = 4,408.42/x
  3. Step 3: Cross multiply
    7,241.08x = 9,990.96 × 4,408.42
  4. Step 4: Simplify right side
    7,241.08x = 44,044,347.88
  5. Step 5: Solve for x
    x = 44,044,347.88/7,241.08
  6. Step 6: Final answer
    x = 6,082.57

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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.