Home / 7,192.90-10,790.68-2,810.08

Finding the Fourth Proportional to 7,192.90, 10,790.68 and 2,810.08

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Solution

The fourth proportional to 7,192.90, 10,790.68 and 2,810.08 is: 4,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.90 : 10,790.68 = 2,810.08 : x
  2. Step 2: Convert to fraction form
    7,192.90/10,790.68 = 2,810.08/x
  3. Step 3: Cross multiply
    7,192.90x = 10,790.68 × 2,810.08
  4. Step 4: Simplify right side
    7,192.90x = 30,322,674.05
  5. Step 5: Solve for x
    x = 30,322,674.05/7,192.90
  6. Step 6: Final answer
    x = 4,215.64

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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.