Home / 5,123.23-7,684.99-2,003.11

Finding the Fourth Proportional to 5,123.23, 7,684.99 and 2,003.11

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Solution

The fourth proportional to 5,123.23, 7,684.99 and 2,003.11 is: 3,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.23 : 7,684.99 = 2,003.11 : x
  2. Step 2: Convert to fraction form
    5,123.23/7,684.99 = 2,003.11/x
  3. Step 3: Cross multiply
    5,123.23x = 7,684.99 × 2,003.11
  4. Step 4: Simplify right side
    5,123.23x = 15,393,880.32
  5. Step 5: Solve for x
    x = 15,393,880.32/5,123.23
  6. Step 6: Final answer
    x = 3,004.72

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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.