Home / 7,286.42-10,929.63-2,903.92

Finding the Fourth Proportional to 7,286.42, 10,929.63 and 2,903.92

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Solution

The fourth proportional to 7,286.42, 10,929.63 and 2,903.92 is: 4,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.42 : 10,929.63 = 2,903.92 : x
  2. Step 2: Convert to fraction form
    7,286.42/10,929.63 = 2,903.92/x
  3. Step 3: Cross multiply
    7,286.42x = 10,929.63 × 2,903.92
  4. Step 4: Simplify right side
    7,286.42x = 31,738,771.15
  5. Step 5: Solve for x
    x = 31,738,771.15/7,286.42
  6. Step 6: Final answer
    x = 4,355.88

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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.