Home / 6,827.56-10,239.60-2,666.20

Finding the Fourth Proportional to 6,827.56, 10,239.60 and 2,666.20

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Solution

The fourth proportional to 6,827.56, 10,239.60 and 2,666.20 is: 3,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,827.56 : 10,239.60 = 2,666.20 : x
  2. Step 2: Convert to fraction form
    6,827.56/10,239.60 = 2,666.20/x
  3. Step 3: Cross multiply
    6,827.56x = 10,239.60 × 2,666.20
  4. Step 4: Simplify right side
    6,827.56x = 27,300,821.52
  5. Step 5: Solve for x
    x = 27,300,821.52/6,827.56
  6. Step 6: Final answer
    x = 3,998.62

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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.