Home / 6,857.08-10,285.66-2,176.98

Finding the Fourth Proportional to 6,857.08, 10,285.66 and 2,176.98

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Solution

The fourth proportional to 6,857.08, 10,285.66 and 2,176.98 is: 3,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.08 : 10,285.66 = 2,176.98 : x
  2. Step 2: Convert to fraction form
    6,857.08/10,285.66 = 2,176.98/x
  3. Step 3: Cross multiply
    6,857.08x = 10,285.66 × 2,176.98
  4. Step 4: Simplify right side
    6,857.08x = 22,391,676.11
  5. Step 5: Solve for x
    x = 22,391,676.11/6,857.08
  6. Step 6: Final answer
    x = 3,265.48

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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.