Home / 7,214.25-10,821.26-5,979.05

Finding the Fourth Proportional to 7,214.25, 10,821.26 and 5,979.05

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Solution

The fourth proportional to 7,214.25, 10,821.26 and 5,979.05 is: 8,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.25 : 10,821.26 = 5,979.05 : x
  2. Step 2: Convert to fraction form
    7,214.25/10,821.26 = 5,979.05/x
  3. Step 3: Cross multiply
    7,214.25x = 10,821.26 × 5,979.05
  4. Step 4: Simplify right side
    7,214.25x = 64,700,833.60
  5. Step 5: Solve for x
    x = 64,700,833.60/7,214.25
  6. Step 6: Final answer
    x = 8,968.48

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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.