Home / 9,761.16-13,469.58-5,727.56

Finding the Fourth Proportional to 9,761.16, 13,469.58 and 5,727.56

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Solution

The fourth proportional to 9,761.16, 13,469.58 and 5,727.56 is: 7,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.16 : 13,469.58 = 5,727.56 : x
  2. Step 2: Convert to fraction form
    9,761.16/13,469.58 = 5,727.56/x
  3. Step 3: Cross multiply
    9,761.16x = 13,469.58 × 5,727.56
  4. Step 4: Simplify right side
    9,761.16x = 77,147,827.99
  5. Step 5: Solve for x
    x = 77,147,827.99/9,761.16
  6. Step 6: Final answer
    x = 7,903.55

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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.