Home / 4,215.71-6,324.36-1,618.45

Finding the Fourth Proportional to 4,215.71, 6,324.36 and 1,618.45

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Solution

The fourth proportional to 4,215.71, 6,324.36 and 1,618.45 is: 2,427.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.71 : 6,324.36 = 1,618.45 : x
  2. Step 2: Convert to fraction form
    4,215.71/6,324.36 = 1,618.45/x
  3. Step 3: Cross multiply
    4,215.71x = 6,324.36 × 1,618.45
  4. Step 4: Simplify right side
    4,215.71x = 10,235,660.44
  5. Step 5: Solve for x
    x = 10,235,660.44/4,215.71
  6. Step 6: Final answer
    x = 2,427.98

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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.