Home / 9,028.40-13,543.32-3,837.68

Finding the Fourth Proportional to 9,028.40, 13,543.32 and 3,837.68

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Solution

The fourth proportional to 9,028.40, 13,543.32 and 3,837.68 is: 5,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.40 : 13,543.32 = 3,837.68 : x
  2. Step 2: Convert to fraction form
    9,028.40/13,543.32 = 3,837.68/x
  3. Step 3: Cross multiply
    9,028.40x = 13,543.32 × 3,837.68
  4. Step 4: Simplify right side
    9,028.40x = 51,974,928.30
  5. Step 5: Solve for x
    x = 51,974,928.30/9,028.40
  6. Step 6: Final answer
    x = 5,756.83

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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.