Home / 6,837.45-9,438.03-4,005.72

Finding the Fourth Proportional to 6,837.45, 9,438.03 and 4,005.72

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Solution

The fourth proportional to 6,837.45, 9,438.03 and 4,005.72 is: 5,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.45 : 9,438.03 = 4,005.72 : x
  2. Step 2: Convert to fraction form
    6,837.45/9,438.03 = 4,005.72/x
  3. Step 3: Cross multiply
    6,837.45x = 9,438.03 × 4,005.72
  4. Step 4: Simplify right side
    6,837.45x = 37,806,105.53
  5. Step 5: Solve for x
    x = 37,806,105.53/6,837.45
  6. Step 6: Final answer
    x = 5,529.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.