Home / 8,453.68-11,665.45-4,676.89

Finding the Fourth Proportional to 8,453.68, 11,665.45 and 4,676.89

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Solution

The fourth proportional to 8,453.68, 11,665.45 and 4,676.89 is: 6,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.68 : 11,665.45 = 4,676.89 : x
  2. Step 2: Convert to fraction form
    8,453.68/11,665.45 = 4,676.89/x
  3. Step 3: Cross multiply
    8,453.68x = 11,665.45 × 4,676.89
  4. Step 4: Simplify right side
    8,453.68x = 54,558,026.45
  5. Step 5: Solve for x
    x = 54,558,026.45/8,453.68
  6. Step 6: Final answer
    x = 6,453.76

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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.