Home / 5,683.72-8,516.40-3,211.18

Finding the Fourth Proportional to 5,683.72, 8,516.40 and 3,211.18

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Solution

The fourth proportional to 5,683.72, 8,516.40 and 3,211.18 is: 4,811.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.72 : 8,516.40 = 3,211.18 : x
  2. Step 2: Convert to fraction form
    5,683.72/8,516.40 = 3,211.18/x
  3. Step 3: Cross multiply
    5,683.72x = 8,516.40 × 3,211.18
  4. Step 4: Simplify right side
    5,683.72x = 27,347,693.35
  5. Step 5: Solve for x
    x = 27,347,693.35/5,683.72
  6. Step 6: Final answer
    x = 4,811.58

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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.