Home / 7,206.52-10,821.12-4,254.08

Finding the Fourth Proportional to 7,206.52, 10,821.12 and 4,254.08

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Solution

The fourth proportional to 7,206.52, 10,821.12 and 4,254.08 is: 6,387.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.52 : 10,821.12 = 4,254.08 : x
  2. Step 2: Convert to fraction form
    7,206.52/10,821.12 = 4,254.08/x
  3. Step 3: Cross multiply
    7,206.52x = 10,821.12 × 4,254.08
  4. Step 4: Simplify right side
    7,206.52x = 46,033,910.17
  5. Step 5: Solve for x
    x = 46,033,910.17/7,206.52
  6. Step 6: Final answer
    x = 6,387.81

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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.