Home / 4,665.50-6,438.37-2,540.99

Finding the Fourth Proportional to 4,665.50, 6,438.37 and 2,540.99

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Solution

The fourth proportional to 4,665.50, 6,438.37 and 2,540.99 is: 3,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.50 : 6,438.37 = 2,540.99 : x
  2. Step 2: Convert to fraction form
    4,665.50/6,438.37 = 2,540.99/x
  3. Step 3: Cross multiply
    4,665.50x = 6,438.37 × 2,540.99
  4. Step 4: Simplify right side
    4,665.50x = 16,359,833.79
  5. Step 5: Solve for x
    x = 16,359,833.79/4,665.50
  6. Step 6: Final answer
    x = 3,506.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.