Home / 7,967.27-10,992.61-4,778.57

Finding the Fourth Proportional to 7,967.27, 10,992.61 and 4,778.57

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Solution

The fourth proportional to 7,967.27, 10,992.61 and 4,778.57 is: 6,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.27 : 10,992.61 = 4,778.57 : x
  2. Step 2: Convert to fraction form
    7,967.27/10,992.61 = 4,778.57/x
  3. Step 3: Cross multiply
    7,967.27x = 10,992.61 × 4,778.57
  4. Step 4: Simplify right side
    7,967.27x = 52,528,956.37
  5. Step 5: Solve for x
    x = 52,528,956.37/7,967.27
  6. Step 6: Final answer
    x = 6,593.09

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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.