Home / 7,415.64-11,126.42-3,258.05

Finding the Fourth Proportional to 7,415.64, 11,126.42 and 3,258.05

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Solution

The fourth proportional to 7,415.64, 11,126.42 and 3,258.05 is: 4,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.64 : 11,126.42 = 3,258.05 : x
  2. Step 2: Convert to fraction form
    7,415.64/11,126.42 = 3,258.05/x
  3. Step 3: Cross multiply
    7,415.64x = 11,126.42 × 3,258.05
  4. Step 4: Simplify right side
    7,415.64x = 36,250,360.76
  5. Step 5: Solve for x
    x = 36,250,360.76/7,415.64
  6. Step 6: Final answer
    x = 4,888.37

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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.