Home / 8,226.63-12,341.52-4,279.77

Finding the Fourth Proportional to 8,226.63, 12,341.52 and 4,279.77

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Solution

The fourth proportional to 8,226.63, 12,341.52 and 4,279.77 is: 6,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.63 : 12,341.52 = 4,279.77 : x
  2. Step 2: Convert to fraction form
    8,226.63/12,341.52 = 4,279.77/x
  3. Step 3: Cross multiply
    8,226.63x = 12,341.52 × 4,279.77
  4. Step 4: Simplify right side
    8,226.63x = 52,818,867.05
  5. Step 5: Solve for x
    x = 52,818,867.05/8,226.63
  6. Step 6: Final answer
    x = 6,420.47

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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.