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Finding the Fourth Proportional to 7,286.64, 10,930.64 and 2,903.08

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Solution

The fourth proportional to 7,286.64, 10,930.64 and 2,903.08 is: 4,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.64 : 10,930.64 = 2,903.08 : x
  2. Step 2: Convert to fraction form
    7,286.64/10,930.64 = 2,903.08/x
  3. Step 3: Cross multiply
    7,286.64x = 10,930.64 × 2,903.08
  4. Step 4: Simplify right side
    7,286.64x = 31,732,522.37
  5. Step 5: Solve for x
    x = 31,732,522.37/7,286.64
  6. Step 6: Final answer
    x = 4,354.89

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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.