Home / 7,628.28-10,546.28-5,635.68

Finding the Fourth Proportional to 7,628.28, 10,546.28 and 5,635.68

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Solution

The fourth proportional to 7,628.28, 10,546.28 and 5,635.68 is: 7,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.28 : 10,546.28 = 5,635.68 : x
  2. Step 2: Convert to fraction form
    7,628.28/10,546.28 = 5,635.68/x
  3. Step 3: Cross multiply
    7,628.28x = 10,546.28 × 5,635.68
  4. Step 4: Simplify right side
    7,628.28x = 59,435,459.27
  5. Step 5: Solve for x
    x = 59,435,459.27/7,628.28
  6. Step 6: Final answer
    x = 7,791.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.