Home / 7,009.38-10,512.99-2,079.45

Finding the Fourth Proportional to 7,009.38, 10,512.99 and 2,079.45

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Solution

The fourth proportional to 7,009.38, 10,512.99 and 2,079.45 is: 3,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.38 : 10,512.99 = 2,079.45 : x
  2. Step 2: Convert to fraction form
    7,009.38/10,512.99 = 2,079.45/x
  3. Step 3: Cross multiply
    7,009.38x = 10,512.99 × 2,079.45
  4. Step 4: Simplify right side
    7,009.38x = 21,861,237.06
  5. Step 5: Solve for x
    x = 21,861,237.06/7,009.38
  6. Step 6: Final answer
    x = 3,118.85

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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.