Home / 7,928.19-10,940.82-4,343.13

Finding the Fourth Proportional to 7,928.19, 10,940.82 and 4,343.13

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Solution

The fourth proportional to 7,928.19, 10,940.82 and 4,343.13 is: 5,993.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.19 : 10,940.82 = 4,343.13 : x
  2. Step 2: Convert to fraction form
    7,928.19/10,940.82 = 4,343.13/x
  3. Step 3: Cross multiply
    7,928.19x = 10,940.82 × 4,343.13
  4. Step 4: Simplify right side
    7,928.19x = 47,517,403.57
  5. Step 5: Solve for x
    x = 47,517,403.57/7,928.19
  6. Step 6: Final answer
    x = 5,993.47

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Half scale
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Double scale
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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.