Home / 7,427.96-11,143.62-2,430.59

Finding the Fourth Proportional to 7,427.96, 11,143.62 and 2,430.59

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Solution

The fourth proportional to 7,427.96, 11,143.62 and 2,430.59 is: 3,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.96 : 11,143.62 = 2,430.59 : x
  2. Step 2: Convert to fraction form
    7,427.96/11,143.62 = 2,430.59/x
  3. Step 3: Cross multiply
    7,427.96x = 11,143.62 × 2,430.59
  4. Step 4: Simplify right side
    7,427.96x = 27,085,571.34
  5. Step 5: Solve for x
    x = 27,085,571.34/7,427.96
  6. Step 6: Final answer
    x = 3,646.43

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.