Home / 9,761.96-13,471.47-5,285.79

Finding the Fourth Proportional to 9,761.96, 13,471.47 and 5,285.79

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Solution

The fourth proportional to 9,761.96, 13,471.47 and 5,285.79 is: 7,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.96 : 13,471.47 = 5,285.79 : x
  2. Step 2: Convert to fraction form
    9,761.96/13,471.47 = 5,285.79/x
  3. Step 3: Cross multiply
    9,761.96x = 13,471.47 × 5,285.79
  4. Step 4: Simplify right side
    9,761.96x = 71,207,361.41
  5. Step 5: Solve for x
    x = 71,207,361.41/9,761.96
  6. Step 6: Final answer
    x = 7,294.37

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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.