Home / 5,284.94-7,925.58-1,821.38

Finding the Fourth Proportional to 5,284.94, 7,925.58 and 1,821.38

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Solution

The fourth proportional to 5,284.94, 7,925.58 and 1,821.38 is: 2,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.94 : 7,925.58 = 1,821.38 : x
  2. Step 2: Convert to fraction form
    5,284.94/7,925.58 = 1,821.38/x
  3. Step 3: Cross multiply
    5,284.94x = 7,925.58 × 1,821.38
  4. Step 4: Simplify right side
    5,284.94x = 14,435,453.27
  5. Step 5: Solve for x
    x = 14,435,453.27/5,284.94
  6. Step 6: Final answer
    x = 2,731.43

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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.