Home / 8,285.34-11,433.96-4,508.72

Finding the Fourth Proportional to 8,285.34, 11,433.96 and 4,508.72

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Solution

The fourth proportional to 8,285.34, 11,433.96 and 4,508.72 is: 6,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,285.34 : 11,433.96 = 4,508.72 : x
  2. Step 2: Convert to fraction form
    8,285.34/11,433.96 = 4,508.72/x
  3. Step 3: Cross multiply
    8,285.34x = 11,433.96 × 4,508.72
  4. Step 4: Simplify right side
    8,285.34x = 51,552,524.13
  5. Step 5: Solve for x
    x = 51,552,524.13/8,285.34
  6. Step 6: Final answer
    x = 6,222.14

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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.