Home / 7,918.94-11,873.61-5,451.05

Finding the Fourth Proportional to 7,918.94, 11,873.61 and 5,451.05

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Solution

The fourth proportional to 7,918.94, 11,873.61 and 5,451.05 is: 8,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.94 : 11,873.61 = 5,451.05 : x
  2. Step 2: Convert to fraction form
    7,918.94/11,873.61 = 5,451.05/x
  3. Step 3: Cross multiply
    7,918.94x = 11,873.61 × 5,451.05
  4. Step 4: Simplify right side
    7,918.94x = 64,723,641.79
  5. Step 5: Solve for x
    x = 64,723,641.79/7,918.94
  6. Step 6: Final answer
    x = 8,173.27

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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.