Home / 4,660.72-6,431.76-2,564.80

Finding the Fourth Proportional to 4,660.72, 6,431.76 and 2,564.80

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Solution

The fourth proportional to 4,660.72, 6,431.76 and 2,564.80 is: 3,539.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.72 : 6,431.76 = 2,564.80 : x
  2. Step 2: Convert to fraction form
    4,660.72/6,431.76 = 2,564.80/x
  3. Step 3: Cross multiply
    4,660.72x = 6,431.76 × 2,564.80
  4. Step 4: Simplify right side
    4,660.72x = 16,496,178.05
  5. Step 5: Solve for x
    x = 16,496,178.05/4,660.72
  6. Step 6: Final answer
    x = 3,539.41

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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.