Home / 8,745.09-13,114.80-2,900.55

Finding the Fourth Proportional to 8,745.09, 13,114.80 and 2,900.55

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Solution

The fourth proportional to 8,745.09, 13,114.80 and 2,900.55 is: 4,349.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.09 : 13,114.80 = 2,900.55 : x
  2. Step 2: Convert to fraction form
    8,745.09/13,114.80 = 2,900.55/x
  3. Step 3: Cross multiply
    8,745.09x = 13,114.80 × 2,900.55
  4. Step 4: Simplify right side
    8,745.09x = 38,040,133.14
  5. Step 5: Solve for x
    x = 38,040,133.14/8,745.09
  6. Step 6: Final answer
    x = 4,349.88

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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.