Home / 7,080.30-10,618.20-2,576.79

Finding the Fourth Proportional to 7,080.30, 10,618.20 and 2,576.79

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Solution

The fourth proportional to 7,080.30, 10,618.20 and 2,576.79 is: 3,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.30 : 10,618.20 = 2,576.79 : x
  2. Step 2: Convert to fraction form
    7,080.30/10,618.20 = 2,576.79/x
  3. Step 3: Cross multiply
    7,080.30x = 10,618.20 × 2,576.79
  4. Step 4: Simplify right side
    7,080.30x = 27,360,871.58
  5. Step 5: Solve for x
    x = 27,360,871.58/7,080.30
  6. Step 6: Final answer
    x = 3,864.37

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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.