Home / 5,427.35-8,144.92-2,309.55

Finding the Fourth Proportional to 5,427.35, 8,144.92 and 2,309.55

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Solution

The fourth proportional to 5,427.35, 8,144.92 and 2,309.55 is: 3,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.35 : 8,144.92 = 2,309.55 : x
  2. Step 2: Convert to fraction form
    5,427.35/8,144.92 = 2,309.55/x
  3. Step 3: Cross multiply
    5,427.35x = 8,144.92 × 2,309.55
  4. Step 4: Simplify right side
    5,427.35x = 18,811,090.46
  5. Step 5: Solve for x
    x = 18,811,090.46/5,427.35
  6. Step 6: Final answer
    x = 3,465.98

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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.