Home / 7,422.53-10,243.26-4,235.76

Finding the Fourth Proportional to 7,422.53, 10,243.26 and 4,235.76

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Solution

The fourth proportional to 7,422.53, 10,243.26 and 4,235.76 is: 5,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.53 : 10,243.26 = 4,235.76 : x
  2. Step 2: Convert to fraction form
    7,422.53/10,243.26 = 4,235.76/x
  3. Step 3: Cross multiply
    7,422.53x = 10,243.26 × 4,235.76
  4. Step 4: Simplify right side
    7,422.53x = 43,388,025.44
  5. Step 5: Solve for x
    x = 43,388,025.44/7,422.53
  6. Step 6: Final answer
    x = 5,845.45

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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.