Home / 4,072.38-6,109.06-1,298.08

Finding the Fourth Proportional to 4,072.38, 6,109.06 and 1,298.08

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Solution

The fourth proportional to 4,072.38, 6,109.06 and 1,298.08 is: 1,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.38 : 6,109.06 = 1,298.08 : x
  2. Step 2: Convert to fraction form
    4,072.38/6,109.06 = 1,298.08/x
  3. Step 3: Cross multiply
    4,072.38x = 6,109.06 × 1,298.08
  4. Step 4: Simplify right side
    4,072.38x = 7,930,048.60
  5. Step 5: Solve for x
    x = 7,930,048.60/4,072.38
  6. Step 6: Final answer
    x = 1,947.28

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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.