Home / 7,288.20-10,929.61-2,606.94

Finding the Fourth Proportional to 7,288.20, 10,929.61 and 2,606.94

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Solution

The fourth proportional to 7,288.20, 10,929.61 and 2,606.94 is: 3,909.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.20 : 10,929.61 = 2,606.94 : x
  2. Step 2: Convert to fraction form
    7,288.20/10,929.61 = 2,606.94/x
  3. Step 3: Cross multiply
    7,288.20x = 10,929.61 × 2,606.94
  4. Step 4: Simplify right side
    7,288.20x = 28,492,769.81
  5. Step 5: Solve for x
    x = 28,492,769.81/7,288.20
  6. Step 6: Final answer
    x = 3,909.44

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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.