Home / 7,192.04-10,790.64-2,812.64

Finding the Fourth Proportional to 7,192.04, 10,790.64 and 2,812.64

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Solution

The fourth proportional to 7,192.04, 10,790.64 and 2,812.64 is: 4,219.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.04 : 10,790.64 = 2,812.64 : x
  2. Step 2: Convert to fraction form
    7,192.04/10,790.64 = 2,812.64/x
  3. Step 3: Cross multiply
    7,192.04x = 10,790.64 × 2,812.64
  4. Step 4: Simplify right side
    7,192.04x = 30,350,185.69
  5. Step 5: Solve for x
    x = 30,350,185.69/7,192.04
  6. Step 6: Final answer
    x = 4,219.97

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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.