Home / 9,079.79-12,529.44-5,101.57

Finding the Fourth Proportional to 9,079.79, 12,529.44 and 5,101.57

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Solution

The fourth proportional to 9,079.79, 12,529.44 and 5,101.57 is: 7,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.79 : 12,529.44 = 5,101.57 : x
  2. Step 2: Convert to fraction form
    9,079.79/12,529.44 = 5,101.57/x
  3. Step 3: Cross multiply
    9,079.79x = 12,529.44 × 5,101.57
  4. Step 4: Simplify right side
    9,079.79x = 63,919,783.90
  5. Step 5: Solve for x
    x = 63,919,783.90/9,079.79
  6. Step 6: Final answer
    x = 7,039.78

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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.