Home / 8,835.37-13,248.82-5,138.59

Finding the Fourth Proportional to 8,835.37, 13,248.82 and 5,138.59

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Solution

The fourth proportional to 8,835.37, 13,248.82 and 5,138.59 is: 7,705.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.37 : 13,248.82 = 5,138.59 : x
  2. Step 2: Convert to fraction form
    8,835.37/13,248.82 = 5,138.59/x
  3. Step 3: Cross multiply
    8,835.37x = 13,248.82 × 5,138.59
  4. Step 4: Simplify right side
    8,835.37x = 68,080,253.96
  5. Step 5: Solve for x
    x = 68,080,253.96/8,835.37
  6. Step 6: Final answer
    x = 7,705.42

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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.