Home / 8,029.90-11,071.82-6,435.27

Finding the Fourth Proportional to 8,029.90, 11,071.82 and 6,435.27

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Solution

The fourth proportional to 8,029.90, 11,071.82 and 6,435.27 is: 8,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.90 : 11,071.82 = 6,435.27 : x
  2. Step 2: Convert to fraction form
    8,029.90/11,071.82 = 6,435.27/x
  3. Step 3: Cross multiply
    8,029.90x = 11,071.82 × 6,435.27
  4. Step 4: Simplify right side
    8,029.90x = 71,250,151.09
  5. Step 5: Solve for x
    x = 71,250,151.09/8,029.90
  6. Step 6: Final answer
    x = 8,873.11

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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.