Home / 7,385.05-11,079.83-4,426.79

Finding the Fourth Proportional to 7,385.05, 11,079.83 and 4,426.79

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Solution

The fourth proportional to 7,385.05, 11,079.83 and 4,426.79 is: 6,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.05 : 11,079.83 = 4,426.79 : x
  2. Step 2: Convert to fraction form
    7,385.05/11,079.83 = 4,426.79/x
  3. Step 3: Cross multiply
    7,385.05x = 11,079.83 × 4,426.79
  4. Step 4: Simplify right side
    7,385.05x = 49,048,080.65
  5. Step 5: Solve for x
    x = 49,048,080.65/7,385.05
  6. Step 6: Final answer
    x = 6,641.54

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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.