Home / 7,206.78-10,810.26-2,826.30

Finding the Fourth Proportional to 7,206.78, 10,810.26 and 2,826.30

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Solution

The fourth proportional to 7,206.78, 10,810.26 and 2,826.30 is: 4,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.78 : 10,810.26 = 2,826.30 : x
  2. Step 2: Convert to fraction form
    7,206.78/10,810.26 = 2,826.30/x
  3. Step 3: Cross multiply
    7,206.78x = 10,810.26 × 2,826.30
  4. Step 4: Simplify right side
    7,206.78x = 30,553,037.84
  5. Step 5: Solve for x
    x = 30,553,037.84/7,206.78
  6. Step 6: Final answer
    x = 4,239.49

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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.