Home / 7,286.64-10,930.56-2,606.16

Finding the Fourth Proportional to 7,286.64, 10,930.56 and 2,606.16

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Solution

The fourth proportional to 7,286.64, 10,930.56 and 2,606.16 is: 3,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.64 : 10,930.56 = 2,606.16 : x
  2. Step 2: Convert to fraction form
    7,286.64/10,930.56 = 2,606.16/x
  3. Step 3: Cross multiply
    7,286.64x = 10,930.56 × 2,606.16
  4. Step 4: Simplify right side
    7,286.64x = 28,486,788.25
  5. Step 5: Solve for x
    x = 28,486,788.25/7,286.64
  6. Step 6: Final answer
    x = 3,909.45

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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.