Home / 5,396.44-7,447.34-3,038.74

Finding the Fourth Proportional to 5,396.44, 7,447.34 and 3,038.74

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Solution

The fourth proportional to 5,396.44, 7,447.34 and 3,038.74 is: 4,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.44 : 7,447.34 = 3,038.74 : x
  2. Step 2: Convert to fraction form
    5,396.44/7,447.34 = 3,038.74/x
  3. Step 3: Cross multiply
    5,396.44x = 7,447.34 × 3,038.74
  4. Step 4: Simplify right side
    5,396.44x = 22,630,529.95
  5. Step 5: Solve for x
    x = 22,630,529.95/5,396.44
  6. Step 6: Final answer
    x = 4,193.60

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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.