Home / 5,258.76-7,885.83-1,969.54

Finding the Fourth Proportional to 5,258.76, 7,885.83 and 1,969.54

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Solution

The fourth proportional to 5,258.76, 7,885.83 and 1,969.54 is: 2,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.76 : 7,885.83 = 1,969.54 : x
  2. Step 2: Convert to fraction form
    5,258.76/7,885.83 = 1,969.54/x
  3. Step 3: Cross multiply
    5,258.76x = 7,885.83 × 1,969.54
  4. Step 4: Simplify right side
    5,258.76x = 15,531,464.71
  5. Step 5: Solve for x
    x = 15,531,464.71/5,258.76
  6. Step 6: Final answer
    x = 2,953.45

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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.