Home / 7,078.28-10,606.35-4,475.75

Finding the Fourth Proportional to 7,078.28, 10,606.35 and 4,475.75

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Solution

The fourth proportional to 7,078.28, 10,606.35 and 4,475.75 is: 6,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.28 : 10,606.35 = 4,475.75 : x
  2. Step 2: Convert to fraction form
    7,078.28/10,606.35 = 4,475.75/x
  3. Step 3: Cross multiply
    7,078.28x = 10,606.35 × 4,475.75
  4. Step 4: Simplify right side
    7,078.28x = 47,471,371.01
  5. Step 5: Solve for x
    x = 47,471,371.01/7,078.28
  6. Step 6: Final answer
    x = 6,706.63

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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.