Home / 9,640.53-13,303.26-5,447.97

Finding the Fourth Proportional to 9,640.53, 13,303.26 and 5,447.97

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Solution

The fourth proportional to 9,640.53, 13,303.26 and 5,447.97 is: 7,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.53 : 13,303.26 = 5,447.97 : x
  2. Step 2: Convert to fraction form
    9,640.53/13,303.26 = 5,447.97/x
  3. Step 3: Cross multiply
    9,640.53x = 13,303.26 × 5,447.97
  4. Step 4: Simplify right side
    9,640.53x = 72,475,761.38
  5. Step 5: Solve for x
    x = 72,475,761.38/9,640.53
  6. Step 6: Final answer
    x = 7,517.82

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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.