Home / 6,857.30-10,285.94-1,663.13

Finding the Fourth Proportional to 6,857.30, 10,285.94 and 1,663.13

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Solution

The fourth proportional to 6,857.30, 10,285.94 and 1,663.13 is: 2,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.30 : 10,285.94 = 1,663.13 : x
  2. Step 2: Convert to fraction form
    6,857.30/10,285.94 = 1,663.13/x
  3. Step 3: Cross multiply
    6,857.30x = 10,285.94 × 1,663.13
  4. Step 4: Simplify right side
    6,857.30x = 17,106,808.12
  5. Step 5: Solve for x
    x = 17,106,808.12/6,857.30
  6. Step 6: Final answer
    x = 2,494.69

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Similar ratio
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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.