Home / 7,958.10-10,982.28-4,421.31

Finding the Fourth Proportional to 7,958.10, 10,982.28 and 4,421.31

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Solution

The fourth proportional to 7,958.10, 10,982.28 and 4,421.31 is: 6,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.10 : 10,982.28 = 4,421.31 : x
  2. Step 2: Convert to fraction form
    7,958.10/10,982.28 = 4,421.31/x
  3. Step 3: Cross multiply
    7,958.10x = 10,982.28 × 4,421.31
  4. Step 4: Simplify right side
    7,958.10x = 48,556,064.39
  5. Step 5: Solve for x
    x = 48,556,064.39/7,958.10
  6. Step 6: Final answer
    x = 6,101.46

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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.