Home / 4,476.94-6,715.56-2,137.20

Finding the Fourth Proportional to 4,476.94, 6,715.56 and 2,137.20

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Solution

The fourth proportional to 4,476.94, 6,715.56 and 2,137.20 is: 3,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.94 : 6,715.56 = 2,137.20 : x
  2. Step 2: Convert to fraction form
    4,476.94/6,715.56 = 2,137.20/x
  3. Step 3: Cross multiply
    4,476.94x = 6,715.56 × 2,137.20
  4. Step 4: Simplify right side
    4,476.94x = 14,352,494.83
  5. Step 5: Solve for x
    x = 14,352,494.83/4,476.94
  6. Step 6: Final answer
    x = 3,205.87

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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.