Home / 4,688.55-6,469.98-2,564.12

Finding the Fourth Proportional to 4,688.55, 6,469.98 and 2,564.12

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Solution

The fourth proportional to 4,688.55, 6,469.98 and 2,564.12 is: 3,538.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.55 : 6,469.98 = 2,564.12 : x
  2. Step 2: Convert to fraction form
    4,688.55/6,469.98 = 2,564.12/x
  3. Step 3: Cross multiply
    4,688.55x = 6,469.98 × 2,564.12
  4. Step 4: Simplify right side
    4,688.55x = 16,589,811.68
  5. Step 5: Solve for x
    x = 16,589,811.68/4,688.55
  6. Step 6: Final answer
    x = 3,538.37

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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.