Home / 9,265.76-12,788.43-5,905.88

Finding the Fourth Proportional to 9,265.76, 12,788.43 and 5,905.88

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Solution

The fourth proportional to 9,265.76, 12,788.43 and 5,905.88 is: 8,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,265.76 : 12,788.43 = 5,905.88 : x
  2. Step 2: Convert to fraction form
    9,265.76/12,788.43 = 5,905.88/x
  3. Step 3: Cross multiply
    9,265.76x = 12,788.43 × 5,905.88
  4. Step 4: Simplify right side
    9,265.76x = 75,526,928.06
  5. Step 5: Solve for x
    x = 75,526,928.06/9,265.76
  6. Step 6: Final answer
    x = 8,151.19

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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.