Home / 5,380.41-8,071.23-1,682.55

Finding the Fourth Proportional to 5,380.41, 8,071.23 and 1,682.55

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Solution

The fourth proportional to 5,380.41, 8,071.23 and 1,682.55 is: 2,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.41 : 8,071.23 = 1,682.55 : x
  2. Step 2: Convert to fraction form
    5,380.41/8,071.23 = 1,682.55/x
  3. Step 3: Cross multiply
    5,380.41x = 8,071.23 × 1,682.55
  4. Step 4: Simplify right side
    5,380.41x = 13,580,248.04
  5. Step 5: Solve for x
    x = 13,580,248.04/5,380.41
  6. Step 6: Final answer
    x = 2,524.02

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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.