Home / 7,427.61-11,145.06-3,046.32

Finding the Fourth Proportional to 7,427.61, 11,145.06 and 3,046.32

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Solution

The fourth proportional to 7,427.61, 11,145.06 and 3,046.32 is: 4,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.61 : 11,145.06 = 3,046.32 : x
  2. Step 2: Convert to fraction form
    7,427.61/11,145.06 = 3,046.32/x
  3. Step 3: Cross multiply
    7,427.61x = 11,145.06 × 3,046.32
  4. Step 4: Simplify right side
    7,427.61x = 33,951,419.18
  5. Step 5: Solve for x
    x = 33,951,419.18/7,427.61
  6. Step 6: Final answer
    x = 4,570.97

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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.