Home / 5,381.46-8,071.88-1,683.41

Finding the Fourth Proportional to 5,381.46, 8,071.88 and 1,683.41

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Solution

The fourth proportional to 5,381.46, 8,071.88 and 1,683.41 is: 2,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.46 : 8,071.88 = 1,683.41 : x
  2. Step 2: Convert to fraction form
    5,381.46/8,071.88 = 1,683.41/x
  3. Step 3: Cross multiply
    5,381.46x = 8,071.88 × 1,683.41
  4. Step 4: Simplify right side
    5,381.46x = 13,588,234.73
  5. Step 5: Solve for x
    x = 13,588,234.73/5,381.46
  6. Step 6: Final answer
    x = 2,525.01

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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.