Home / 8,385.32-12,554.49-4,481.12

Finding the Fourth Proportional to 8,385.32, 12,554.49 and 4,481.12

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Solution

The fourth proportional to 8,385.32, 12,554.49 and 4,481.12 is: 6,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.32 : 12,554.49 = 4,481.12 : x
  2. Step 2: Convert to fraction form
    8,385.32/12,554.49 = 4,481.12/x
  3. Step 3: Cross multiply
    8,385.32x = 12,554.49 × 4,481.12
  4. Step 4: Simplify right side
    8,385.32x = 56,258,224.42
  5. Step 5: Solve for x
    x = 56,258,224.42/8,385.32
  6. Step 6: Final answer
    x = 6,709.13

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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.