Home / 7,208.18-10,810.72-2,278.22

Finding the Fourth Proportional to 7,208.18, 10,810.72 and 2,278.22

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Solution

The fourth proportional to 7,208.18, 10,810.72 and 2,278.22 is: 3,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.18 : 10,810.72 = 2,278.22 : x
  2. Step 2: Convert to fraction form
    7,208.18/10,810.72 = 2,278.22/x
  3. Step 3: Cross multiply
    7,208.18x = 10,810.72 × 2,278.22
  4. Step 4: Simplify right side
    7,208.18x = 24,629,198.52
  5. Step 5: Solve for x
    x = 24,629,198.52/7,208.18
  6. Step 6: Final answer
    x = 3,416.84

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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.