Home / 6,857.51-10,285.21-2,176.91

Finding the Fourth Proportional to 6,857.51, 10,285.21 and 2,176.91

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Solution

The fourth proportional to 6,857.51, 10,285.21 and 2,176.91 is: 3,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.51 : 10,285.21 = 2,176.91 : x
  2. Step 2: Convert to fraction form
    6,857.51/10,285.21 = 2,176.91/x
  3. Step 3: Cross multiply
    6,857.51x = 10,285.21 × 2,176.91
  4. Step 4: Simplify right side
    6,857.51x = 22,389,958.20
  5. Step 5: Solve for x
    x = 22,389,958.20/6,857.51
  6. Step 6: Final answer
    x = 3,265.03

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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.