Home / 6,436.13-9,654.75-1,819.13

Finding the Fourth Proportional to 6,436.13, 9,654.75 and 1,819.13

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Solution

The fourth proportional to 6,436.13, 9,654.75 and 1,819.13 is: 2,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436.13 : 9,654.75 = 1,819.13 : x
  2. Step 2: Convert to fraction form
    6,436.13/9,654.75 = 1,819.13/x
  3. Step 3: Cross multiply
    6,436.13x = 9,654.75 × 1,819.13
  4. Step 4: Simplify right side
    6,436.13x = 17,563,197.09
  5. Step 5: Solve for x
    x = 17,563,197.09/6,436.13
  6. Step 6: Final answer
    x = 2,728.85

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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.