Home / 8,676.29-11,961.37-5,487.99

Finding the Fourth Proportional to 8,676.29, 11,961.37 and 5,487.99

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Solution

The fourth proportional to 8,676.29, 11,961.37 and 5,487.99 is: 7,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.29 : 11,961.37 = 5,487.99 : x
  2. Step 2: Convert to fraction form
    8,676.29/11,961.37 = 5,487.99/x
  3. Step 3: Cross multiply
    8,676.29x = 11,961.37 × 5,487.99
  4. Step 4: Simplify right side
    8,676.29x = 65,643,878.95
  5. Step 5: Solve for x
    x = 65,643,878.95/8,676.29
  6. Step 6: Final answer
    x = 7,565.89

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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.