Home / 8,086.30-11,133.01-6,291.58

Finding the Fourth Proportional to 8,086.30, 11,133.01 and 6,291.58

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Solution

The fourth proportional to 8,086.30, 11,133.01 and 6,291.58 is: 8,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.30 : 11,133.01 = 6,291.58 : x
  2. Step 2: Convert to fraction form
    8,086.30/11,133.01 = 6,291.58/x
  3. Step 3: Cross multiply
    8,086.30x = 11,133.01 × 6,291.58
  4. Step 4: Simplify right side
    8,086.30x = 70,044,223.06
  5. Step 5: Solve for x
    x = 70,044,223.06/8,086.30
  6. Step 6: Final answer
    x = 8,662.09

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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.