Home / 5,428.21-8,141.94-1,733.08

Finding the Fourth Proportional to 5,428.21, 8,141.94 and 1,733.08

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Solution

The fourth proportional to 5,428.21, 8,141.94 and 1,733.08 is: 2,599.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.21 : 8,141.94 = 1,733.08 : x
  2. Step 2: Convert to fraction form
    5,428.21/8,141.94 = 1,733.08/x
  3. Step 3: Cross multiply
    5,428.21x = 8,141.94 × 1,733.08
  4. Step 4: Simplify right side
    5,428.21x = 14,110,633.38
  5. Step 5: Solve for x
    x = 14,110,633.38/5,428.21
  6. Step 6: Final answer
    x = 2,599.50

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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.