Home / 7,080.77-10,621.19-2,150.45

Finding the Fourth Proportional to 7,080.77, 10,621.19 and 2,150.45

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Solution

The fourth proportional to 7,080.77, 10,621.19 and 2,150.45 is: 3,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.77 : 10,621.19 = 2,150.45 : x
  2. Step 2: Convert to fraction form
    7,080.77/10,621.19 = 2,150.45/x
  3. Step 3: Cross multiply
    7,080.77x = 10,621.19 × 2,150.45
  4. Step 4: Simplify right side
    7,080.77x = 22,840,338.04
  5. Step 5: Solve for x
    x = 22,840,338.04/7,080.77
  6. Step 6: Final answer
    x = 3,225.69

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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.