Home / 4,216.21-6,325.11-1,618.93

Finding the Fourth Proportional to 4,216.21, 6,325.11 and 1,618.93

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Solution

The fourth proportional to 4,216.21, 6,325.11 and 1,618.93 is: 2,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,216.21 : 6,325.11 = 1,618.93 : x
  2. Step 2: Convert to fraction form
    4,216.21/6,325.11 = 1,618.93/x
  3. Step 3: Cross multiply
    4,216.21x = 6,325.11 × 1,618.93
  4. Step 4: Simplify right side
    4,216.21x = 10,239,910.33
  5. Step 5: Solve for x
    x = 10,239,910.33/4,216.21
  6. Step 6: Final answer
    x = 2,428.70

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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.