Home / 7,375.29-11,063.07-2,989.68

Finding the Fourth Proportional to 7,375.29, 11,063.07 and 2,989.68

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Solution

The fourth proportional to 7,375.29, 11,063.07 and 2,989.68 is: 4,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.29 : 11,063.07 = 2,989.68 : x
  2. Step 2: Convert to fraction form
    7,375.29/11,063.07 = 2,989.68/x
  3. Step 3: Cross multiply
    7,375.29x = 11,063.07 × 2,989.68
  4. Step 4: Simplify right side
    7,375.29x = 33,075,039.12
  5. Step 5: Solve for x
    x = 33,075,039.12/7,375.29
  6. Step 6: Final answer
    x = 4,484.57

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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.