Home / 7,424.90-10,247.73-4,238.18

Finding the Fourth Proportional to 7,424.90, 10,247.73 and 4,238.18

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Solution

The fourth proportional to 7,424.90, 10,247.73 and 4,238.18 is: 5,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.90 : 10,247.73 = 4,238.18 : x
  2. Step 2: Convert to fraction form
    7,424.90/10,247.73 = 4,238.18/x
  3. Step 3: Cross multiply
    7,424.90x = 10,247.73 × 4,238.18
  4. Step 4: Simplify right side
    7,424.90x = 43,431,724.33
  5. Step 5: Solve for x
    x = 43,431,724.33/7,424.90
  6. Step 6: Final answer
    x = 5,849.47

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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.