Home / 5,370.82-8,057.48-1,672.85

Finding the Fourth Proportional to 5,370.82, 8,057.48 and 1,672.85

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Solution

The fourth proportional to 5,370.82, 8,057.48 and 1,672.85 is: 2,509.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.82 : 8,057.48 = 1,672.85 : x
  2. Step 2: Convert to fraction form
    5,370.82/8,057.48 = 1,672.85/x
  3. Step 3: Cross multiply
    5,370.82x = 8,057.48 × 1,672.85
  4. Step 4: Simplify right side
    5,370.82x = 13,478,967.20
  5. Step 5: Solve for x
    x = 13,478,967.20/5,370.82
  6. Step 6: Final answer
    x = 2,509.67

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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.