Home / 7,286.48-10,935.03-2,905.19

Finding the Fourth Proportional to 7,286.48, 10,935.03 and 2,905.19

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Solution

The fourth proportional to 7,286.48, 10,935.03 and 2,905.19 is: 4,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.48 : 10,935.03 = 2,905.19 : x
  2. Step 2: Convert to fraction form
    7,286.48/10,935.03 = 2,905.19/x
  3. Step 3: Cross multiply
    7,286.48x = 10,935.03 × 2,905.19
  4. Step 4: Simplify right side
    7,286.48x = 31,768,337.03
  5. Step 5: Solve for x
    x = 31,768,337.03/7,286.48
  6. Step 6: Final answer
    x = 4,359.90

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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.