Home / 6,857.23-10,285.84-1,663.10

Finding the Fourth Proportional to 6,857.23, 10,285.84 and 1,663.10

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Solution

The fourth proportional to 6,857.23, 10,285.84 and 1,663.10 is: 2,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.23 : 10,285.84 = 1,663.10 : x
  2. Step 2: Convert to fraction form
    6,857.23/10,285.84 = 1,663.10/x
  3. Step 3: Cross multiply
    6,857.23x = 10,285.84 × 1,663.10
  4. Step 4: Simplify right side
    6,857.23x = 17,106,427.58
  5. Step 5: Solve for x
    x = 17,106,427.58/6,857.23
  6. Step 6: Final answer
    x = 2,494.66

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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.