Home / 7,269.40-10,900.86-2,074.06

Finding the Fourth Proportional to 7,269.40, 10,900.86 and 2,074.06

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Solution

The fourth proportional to 7,269.40, 10,900.86 and 2,074.06 is: 3,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,269.40 : 10,900.86 = 2,074.06 : x
  2. Step 2: Convert to fraction form
    7,269.40/10,900.86 = 2,074.06/x
  3. Step 3: Cross multiply
    7,269.40x = 10,900.86 × 2,074.06
  4. Step 4: Simplify right side
    7,269.40x = 22,609,037.69
  5. Step 5: Solve for x
    x = 22,609,037.69/7,269.40
  6. Step 6: Final answer
    x = 3,110.17

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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.