Home / 6,857.19-10,285.75-1,663.07

Finding the Fourth Proportional to 6,857.19, 10,285.75 and 1,663.07

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Solution

The fourth proportional to 6,857.19, 10,285.75 and 1,663.07 is: 2,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.19 : 10,285.75 = 1,663.07 : x
  2. Step 2: Convert to fraction form
    6,857.19/10,285.75 = 1,663.07/x
  3. Step 3: Cross multiply
    6,857.19x = 10,285.75 × 1,663.07
  4. Step 4: Simplify right side
    6,857.19x = 17,105,870.82
  5. Step 5: Solve for x
    x = 17,105,870.82/6,857.19
  6. Step 6: Final answer
    x = 2,494.59

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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.