Home / 8,461.12-12,693.30-2,616.70

Finding the Fourth Proportional to 8,461.12, 12,693.30 and 2,616.70

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Solution

The fourth proportional to 8,461.12, 12,693.30 and 2,616.70 is: 3,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.12 : 12,693.30 = 2,616.70 : x
  2. Step 2: Convert to fraction form
    8,461.12/12,693.30 = 2,616.70/x
  3. Step 3: Cross multiply
    8,461.12x = 12,693.30 × 2,616.70
  4. Step 4: Simplify right side
    8,461.12x = 33,214,481.56
  5. Step 5: Solve for x
    x = 33,214,481.56/8,461.12
  6. Step 6: Final answer
    x = 3,925.54

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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.