Home / 8,465.22-11,680.50-4,879.35

Finding the Fourth Proportional to 8,465.22, 11,680.50 and 4,879.35

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Solution

The fourth proportional to 8,465.22, 11,680.50 and 4,879.35 is: 6,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.22 : 11,680.50 = 4,879.35 : x
  2. Step 2: Convert to fraction form
    8,465.22/11,680.50 = 4,879.35/x
  3. Step 3: Cross multiply
    8,465.22x = 11,680.50 × 4,879.35
  4. Step 4: Simplify right side
    8,465.22x = 56,993,247.68
  5. Step 5: Solve for x
    x = 56,993,247.68/8,465.22
  6. Step 6: Final answer
    x = 6,732.64

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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.