Home / 7,281.20-10,919.45-2,349.68

Finding the Fourth Proportional to 7,281.20, 10,919.45 and 2,349.68

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Solution

The fourth proportional to 7,281.20, 10,919.45 and 2,349.68 is: 3,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.20 : 10,919.45 = 2,349.68 : x
  2. Step 2: Convert to fraction form
    7,281.20/10,919.45 = 2,349.68/x
  3. Step 3: Cross multiply
    7,281.20x = 10,919.45 × 2,349.68
  4. Step 4: Simplify right side
    7,281.20x = 25,657,246.45
  5. Step 5: Solve for x
    x = 25,657,246.45/7,281.20
  6. Step 6: Final answer
    x = 3,523.77

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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.