Home / 8,699.37-13,049.01-2,125.59

Finding the Fourth Proportional to 8,699.37, 13,049.01 and 2,125.59

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Solution

The fourth proportional to 8,699.37, 13,049.01 and 2,125.59 is: 3,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.37 : 13,049.01 = 2,125.59 : x
  2. Step 2: Convert to fraction form
    8,699.37/13,049.01 = 2,125.59/x
  3. Step 3: Cross multiply
    8,699.37x = 13,049.01 × 2,125.59
  4. Step 4: Simplify right side
    8,699.37x = 27,736,845.17
  5. Step 5: Solve for x
    x = 27,736,845.17/8,699.37
  6. Step 6: Final answer
    x = 3,188.37

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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.