Home / 5,079.43-7,005.84-3,585.79

Finding the Fourth Proportional to 5,079.43, 7,005.84 and 3,585.79

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Solution

The fourth proportional to 5,079.43, 7,005.84 and 3,585.79 is: 4,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.43 : 7,005.84 = 3,585.79 : x
  2. Step 2: Convert to fraction form
    5,079.43/7,005.84 = 3,585.79/x
  3. Step 3: Cross multiply
    5,079.43x = 7,005.84 × 3,585.79
  4. Step 4: Simplify right side
    5,079.43x = 25,121,435.98
  5. Step 5: Solve for x
    x = 25,121,435.98/5,079.43
  6. Step 6: Final answer
    x = 4,945.72

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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.