Home / 4,218.08-5,813.76-2,889.44

Finding the Fourth Proportional to 4,218.08, 5,813.76 and 2,889.44

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Solution

The fourth proportional to 4,218.08, 5,813.76 and 2,889.44 is: 3,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.08 : 5,813.76 = 2,889.44 : x
  2. Step 2: Convert to fraction form
    4,218.08/5,813.76 = 2,889.44/x
  3. Step 3: Cross multiply
    4,218.08x = 5,813.76 × 2,889.44
  4. Step 4: Simplify right side
    4,218.08x = 16,798,510.69
  5. Step 5: Solve for x
    x = 16,798,510.69/4,218.08
  6. Step 6: Final answer
    x = 3,982.50

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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.