Home / 7,578.20-11,366.96-2,898.02

Finding the Fourth Proportional to 7,578.20, 11,366.96 and 2,898.02

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Solution

The fourth proportional to 7,578.20, 11,366.96 and 2,898.02 is: 4,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.20 : 11,366.96 = 2,898.02 : x
  2. Step 2: Convert to fraction form
    7,578.20/11,366.96 = 2,898.02/x
  3. Step 3: Cross multiply
    7,578.20x = 11,366.96 × 2,898.02
  4. Step 4: Simplify right side
    7,578.20x = 32,941,606.09
  5. Step 5: Solve for x
    x = 32,941,606.09/7,578.20
  6. Step 6: Final answer
    x = 4,346.89

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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.