Home / 7,192.80-10,784.88-2,576.16

Finding the Fourth Proportional to 7,192.80, 10,784.88 and 2,576.16

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Solution

The fourth proportional to 7,192.80, 10,784.88 and 2,576.16 is: 3,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.80 : 10,784.88 = 2,576.16 : x
  2. Step 2: Convert to fraction form
    7,192.80/10,784.88 = 2,576.16/x
  3. Step 3: Cross multiply
    7,192.80x = 10,784.88 × 2,576.16
  4. Step 4: Simplify right side
    7,192.80x = 27,783,576.46
  5. Step 5: Solve for x
    x = 27,783,576.46/7,192.80
  6. Step 6: Final answer
    x = 3,862.69

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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.