Home / 7,320.11-10,980.26-2,576.41

Finding the Fourth Proportional to 7,320.11, 10,980.26 and 2,576.41

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Solution

The fourth proportional to 7,320.11, 10,980.26 and 2,576.41 is: 3,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.11 : 10,980.26 = 2,576.41 : x
  2. Step 2: Convert to fraction form
    7,320.11/10,980.26 = 2,576.41/x
  3. Step 3: Cross multiply
    7,320.11x = 10,980.26 × 2,576.41
  4. Step 4: Simplify right side
    7,320.11x = 28,289,682.76
  5. Step 5: Solve for x
    x = 28,289,682.76/7,320.11
  6. Step 6: Final answer
    x = 3,864.65

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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.