Home / 7,286.08-10,928.46-2,902.36

Finding the Fourth Proportional to 7,286.08, 10,928.46 and 2,902.36

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Solution

The fourth proportional to 7,286.08, 10,928.46 and 2,902.36 is: 4,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.08 : 10,928.46 = 2,902.36 : x
  2. Step 2: Convert to fraction form
    7,286.08/10,928.46 = 2,902.36/x
  3. Step 3: Cross multiply
    7,286.08x = 10,928.46 × 2,902.36
  4. Step 4: Simplify right side
    7,286.08x = 31,718,325.17
  5. Step 5: Solve for x
    x = 31,718,325.17/7,286.08
  6. Step 6: Final answer
    x = 4,353.28

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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.