Home / 7,009.38-10,512.45-2,077.83

Finding the Fourth Proportional to 7,009.38, 10,512.45 and 2,077.83

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Solution

The fourth proportional to 7,009.38, 10,512.45 and 2,077.83 is: 3,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.38 : 10,512.45 = 2,077.83 : x
  2. Step 2: Convert to fraction form
    7,009.38/10,512.45 = 2,077.83/x
  3. Step 3: Cross multiply
    7,009.38x = 10,512.45 × 2,077.83
  4. Step 4: Simplify right side
    7,009.38x = 21,843,107.59
  5. Step 5: Solve for x
    x = 21,843,107.59/7,009.38
  6. Step 6: Final answer
    x = 3,116.27

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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.