Home / 7,119.39-10,682.43-4,486.29

Finding the Fourth Proportional to 7,119.39, 10,682.43 and 4,486.29

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Solution

The fourth proportional to 7,119.39, 10,682.43 and 4,486.29 is: 6,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119.39 : 10,682.43 = 4,486.29 : x
  2. Step 2: Convert to fraction form
    7,119.39/10,682.43 = 4,486.29/x
  3. Step 3: Cross multiply
    7,119.39x = 10,682.43 × 4,486.29
  4. Step 4: Simplify right side
    7,119.39x = 47,924,478.88
  5. Step 5: Solve for x
    x = 47,924,478.88/7,119.39
  6. Step 6: Final answer
    x = 6,731.54

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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.