Home / 5,445.44-8,157.89-3,217.63

Finding the Fourth Proportional to 5,445.44, 8,157.89 and 3,217.63

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Solution

The fourth proportional to 5,445.44, 8,157.89 and 3,217.63 is: 4,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.44 : 8,157.89 = 3,217.63 : x
  2. Step 2: Convert to fraction form
    5,445.44/8,157.89 = 3,217.63/x
  3. Step 3: Cross multiply
    5,445.44x = 8,157.89 × 3,217.63
  4. Step 4: Simplify right side
    5,445.44x = 26,249,071.60
  5. Step 5: Solve for x
    x = 26,249,071.60/5,445.44
  6. Step 6: Final answer
    x = 4,820.38

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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.