Home / 7,080.46-10,620.69-2,150.13

Finding the Fourth Proportional to 7,080.46, 10,620.69 and 2,150.13

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Solution

The fourth proportional to 7,080.46, 10,620.69 and 2,150.13 is: 3,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.46 : 10,620.69 = 2,150.13 : x
  2. Step 2: Convert to fraction form
    7,080.46/10,620.69 = 2,150.13/x
  3. Step 3: Cross multiply
    7,080.46x = 10,620.69 × 2,150.13
  4. Step 4: Simplify right side
    7,080.46x = 22,835,811.09
  5. Step 5: Solve for x
    x = 22,835,811.09/7,080.46
  6. Step 6: Final answer
    x = 3,225.19

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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.