Home / 5,123.03-7,683.75-3,286.98

Finding the Fourth Proportional to 5,123.03, 7,683.75 and 3,286.98

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Solution

The fourth proportional to 5,123.03, 7,683.75 and 3,286.98 is: 4,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.03 : 7,683.75 = 3,286.98 : x
  2. Step 2: Convert to fraction form
    5,123.03/7,683.75 = 3,286.98/x
  3. Step 3: Cross multiply
    5,123.03x = 7,683.75 × 3,286.98
  4. Step 4: Simplify right side
    5,123.03x = 25,256,332.58
  5. Step 5: Solve for x
    x = 25,256,332.58/5,123.03
  6. Step 6: Final answer
    x = 4,929.96

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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.