Home / 5,258.56-7,885.68-1,969.96

Finding the Fourth Proportional to 5,258.56, 7,885.68 and 1,969.96

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Solution

The fourth proportional to 5,258.56, 7,885.68 and 1,969.96 is: 2,954.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.56 : 7,885.68 = 1,969.96 : x
  2. Step 2: Convert to fraction form
    5,258.56/7,885.68 = 1,969.96/x
  3. Step 3: Cross multiply
    5,258.56x = 7,885.68 × 1,969.96
  4. Step 4: Simplify right side
    5,258.56x = 15,534,474.17
  5. Step 5: Solve for x
    x = 15,534,474.17/5,258.56
  6. Step 6: Final answer
    x = 2,954.13

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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.