Home / 5,223.52-7,836.60-1,525.78

Finding the Fourth Proportional to 5,223.52, 7,836.60 and 1,525.78

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Solution

The fourth proportional to 5,223.52, 7,836.60 and 1,525.78 is: 2,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.52 : 7,836.60 = 1,525.78 : x
  2. Step 2: Convert to fraction form
    5,223.52/7,836.60 = 1,525.78/x
  3. Step 3: Cross multiply
    5,223.52x = 7,836.60 × 1,525.78
  4. Step 4: Simplify right side
    5,223.52x = 11,956,927.55
  5. Step 5: Solve for x
    x = 11,956,927.55/5,223.52
  6. Step 6: Final answer
    x = 2,289.06

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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.