Home / 4,139.39-5,709.51-3,456.14

Finding the Fourth Proportional to 4,139.39, 5,709.51 and 3,456.14

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Solution

The fourth proportional to 4,139.39, 5,709.51 and 3,456.14 is: 4,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.39 : 5,709.51 = 3,456.14 : x
  2. Step 2: Convert to fraction form
    4,139.39/5,709.51 = 3,456.14/x
  3. Step 3: Cross multiply
    4,139.39x = 5,709.51 × 3,456.14
  4. Step 4: Simplify right side
    4,139.39x = 19,732,837.34
  5. Step 5: Solve for x
    x = 19,732,837.34/4,139.39
  6. Step 6: Final answer
    x = 4,767.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.