Home / 5,226.55-7,839.25-1,528.81

Finding the Fourth Proportional to 5,226.55, 7,839.25 and 1,528.81

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Solution

The fourth proportional to 5,226.55, 7,839.25 and 1,528.81 is: 2,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.55 : 7,839.25 = 1,528.81 : x
  2. Step 2: Convert to fraction form
    5,226.55/7,839.25 = 1,528.81/x
  3. Step 3: Cross multiply
    5,226.55x = 7,839.25 × 1,528.81
  4. Step 4: Simplify right side
    5,226.55x = 11,984,729.77
  5. Step 5: Solve for x
    x = 11,984,729.77/5,226.55
  6. Step 6: Final answer
    x = 2,293.05

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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.