Home / 5,615.82-8,427.51-4,230.18

Finding the Fourth Proportional to 5,615.82, 8,427.51 and 4,230.18

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Solution

The fourth proportional to 5,615.82, 8,427.51 and 4,230.18 is: 6,348.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.82 : 8,427.51 = 4,230.18 : x
  2. Step 2: Convert to fraction form
    5,615.82/8,427.51 = 4,230.18/x
  3. Step 3: Cross multiply
    5,615.82x = 8,427.51 × 4,230.18
  4. Step 4: Simplify right side
    5,615.82x = 35,649,884.25
  5. Step 5: Solve for x
    x = 35,649,884.25/5,615.82
  6. Step 6: Final answer
    x = 6,348.12

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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.