Home / 8,613.82-11,887.51-4,836.78

Finding the Fourth Proportional to 8,613.82, 11,887.51 and 4,836.78

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Solution

The fourth proportional to 8,613.82, 11,887.51 and 4,836.78 is: 6,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,613.82 : 11,887.51 = 4,836.78 : x
  2. Step 2: Convert to fraction form
    8,613.82/11,887.51 = 4,836.78/x
  3. Step 3: Cross multiply
    8,613.82x = 11,887.51 × 4,836.78
  4. Step 4: Simplify right side
    8,613.82x = 57,497,270.62
  5. Step 5: Solve for x
    x = 57,497,270.62/8,613.82
  6. Step 6: Final answer
    x = 6,675.00

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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.