Home / 7,958.22-10,982.34-4,421.40

Finding the Fourth Proportional to 7,958.22, 10,982.34 and 4,421.40

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Solution

The fourth proportional to 7,958.22, 10,982.34 and 4,421.40 is: 6,101.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.22 : 10,982.34 = 4,421.40 : x
  2. Step 2: Convert to fraction form
    7,958.22/10,982.34 = 4,421.40/x
  3. Step 3: Cross multiply
    7,958.22x = 10,982.34 × 4,421.40
  4. Step 4: Simplify right side
    7,958.22x = 48,557,318.08
  5. Step 5: Solve for x
    x = 48,557,318.08/7,958.22
  6. Step 6: Final answer
    x = 6,101.53

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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.