Home / 6,418.22-8,851.75-5,089.82

Finding the Fourth Proportional to 6,418.22, 8,851.75 and 5,089.82

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Solution

The fourth proportional to 6,418.22, 8,851.75 and 5,089.82 is: 7,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.22 : 8,851.75 = 5,089.82 : x
  2. Step 2: Convert to fraction form
    6,418.22/8,851.75 = 5,089.82/x
  3. Step 3: Cross multiply
    6,418.22x = 8,851.75 × 5,089.82
  4. Step 4: Simplify right side
    6,418.22x = 45,053,757.20
  5. Step 5: Solve for x
    x = 45,053,757.20/6,418.22
  6. Step 6: Final answer
    x = 7,019.67

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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.