Home / 10,358.28-15,523.58-3,778.28

Finding the Fourth Proportional to 10,358.28, 15,523.58 and 3,778.28

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Solution

The fourth proportional to 10,358.28, 15,523.58 and 3,778.28 is: 5,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.28 : 15,523.58 = 3,778.28 : x
  2. Step 2: Convert to fraction form
    10,358.28/15,523.58 = 3,778.28/x
  3. Step 3: Cross multiply
    10,358.28x = 15,523.58 × 3,778.28
  4. Step 4: Simplify right side
    10,358.28x = 58,652,431.84
  5. Step 5: Solve for x
    x = 58,652,431.84/10,358.28
  6. Step 6: Final answer
    x = 5,662.37

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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.