Home / 8,215.73-11,338.88-4,679.27

Finding the Fourth Proportional to 8,215.73, 11,338.88 and 4,679.27

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Solution

The fourth proportional to 8,215.73, 11,338.88 and 4,679.27 is: 6,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.73 : 11,338.88 = 4,679.27 : x
  2. Step 2: Convert to fraction form
    8,215.73/11,338.88 = 4,679.27/x
  3. Step 3: Cross multiply
    8,215.73x = 11,338.88 × 4,679.27
  4. Step 4: Simplify right side
    8,215.73x = 53,057,681.02
  5. Step 5: Solve for x
    x = 53,057,681.02/8,215.73
  6. Step 6: Final answer
    x = 6,458.06

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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.