Home / 7,154.18-10,727.76-2,992.94

Finding the Fourth Proportional to 7,154.18, 10,727.76 and 2,992.94

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Solution

The fourth proportional to 7,154.18, 10,727.76 and 2,992.94 is: 4,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.18 : 10,727.76 = 2,992.94 : x
  2. Step 2: Convert to fraction form
    7,154.18/10,727.76 = 2,992.94/x
  3. Step 3: Cross multiply
    7,154.18x = 10,727.76 × 2,992.94
  4. Step 4: Simplify right side
    7,154.18x = 32,107,542.01
  5. Step 5: Solve for x
    x = 32,107,542.01/7,154.18
  6. Step 6: Final answer
    x = 4,487.94

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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.