Home / 5,226.12-7,839.91-1,528.63

Finding the Fourth Proportional to 5,226.12, 7,839.91 and 1,528.63

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Solution

The fourth proportional to 5,226.12, 7,839.91 and 1,528.63 is: 2,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.12 : 7,839.91 = 1,528.63 : x
  2. Step 2: Convert to fraction form
    5,226.12/7,839.91 = 1,528.63/x
  3. Step 3: Cross multiply
    5,226.12x = 7,839.91 × 1,528.63
  4. Step 4: Simplify right side
    5,226.12x = 11,984,282.42
  5. Step 5: Solve for x
    x = 11,984,282.42/5,226.12
  6. Step 6: Final answer
    x = 2,293.15

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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.