Home / 10,280.28-15,415.14-3,258

Finding the Fourth Proportional to 10,280.28, 15,415.14 and 3,258

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Solution

The fourth proportional to 10,280.28, 15,415.14 and 3,258 is: 4,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.28 : 15,415.14 = 3,258 : x
  2. Step 2: Convert to fraction form
    10,280.28/15,415.14 = 3,258/x
  3. Step 3: Cross multiply
    10,280.28x = 15,415.14 × 3,258
  4. Step 4: Simplify right side
    10,280.28x = 50,222,526.12
  5. Step 5: Solve for x
    x = 50,222,526.12/10,280.28
  6. Step 6: Final answer
    x = 4,885.33

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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.