Home / 5,422.05-8,133.21-1,526.43

Finding the Fourth Proportional to 5,422.05, 8,133.21 and 1,526.43

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Solution

The fourth proportional to 5,422.05, 8,133.21 and 1,526.43 is: 2,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.05 : 8,133.21 = 1,526.43 : x
  2. Step 2: Convert to fraction form
    5,422.05/8,133.21 = 1,526.43/x
  3. Step 3: Cross multiply
    5,422.05x = 8,133.21 × 1,526.43
  4. Step 4: Simplify right side
    5,422.05x = 12,414,775.74
  5. Step 5: Solve for x
    x = 12,414,775.74/5,422.05
  6. Step 6: Final answer
    x = 2,289.68

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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.