Home / 7,080.28-10,620.78-2,696.92

Finding the Fourth Proportional to 7,080.28, 10,620.78 and 2,696.92

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Solution

The fourth proportional to 7,080.28, 10,620.78 and 2,696.92 is: 4,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.28 : 10,620.78 = 2,696.92 : x
  2. Step 2: Convert to fraction form
    7,080.28/10,620.78 = 2,696.92/x
  3. Step 3: Cross multiply
    7,080.28x = 10,620.78 × 2,696.92
  4. Step 4: Simplify right side
    7,080.28x = 28,643,394.00
  5. Step 5: Solve for x
    x = 28,643,394.00/7,080.28
  6. Step 6: Final answer
    x = 4,045.52

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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.