Home / 7,965.08-10,992.96-4,778.52

Finding the Fourth Proportional to 7,965.08, 10,992.96 and 4,778.52

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Solution

The fourth proportional to 7,965.08, 10,992.96 and 4,778.52 is: 6,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.08 : 10,992.96 = 4,778.52 : x
  2. Step 2: Convert to fraction form
    7,965.08/10,992.96 = 4,778.52/x
  3. Step 3: Cross multiply
    7,965.08x = 10,992.96 × 4,778.52
  4. Step 4: Simplify right side
    7,965.08x = 52,530,079.22
  5. Step 5: Solve for x
    x = 52,530,079.22/7,965.08
  6. Step 6: Final answer
    x = 6,595.05

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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.