Home / 7,578.68-11,359.12-2,895.60

Finding the Fourth Proportional to 7,578.68, 11,359.12 and 2,895.60

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Solution

The fourth proportional to 7,578.68, 11,359.12 and 2,895.60 is: 4,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,578.68 : 11,359.12 = 2,895.60 : x
  2. Step 2: Convert to fraction form
    7,578.68/11,359.12 = 2,895.60/x
  3. Step 3: Cross multiply
    7,578.68x = 11,359.12 × 2,895.60
  4. Step 4: Simplify right side
    7,578.68x = 32,891,467.87
  5. Step 5: Solve for x
    x = 32,891,467.87/7,578.68
  6. Step 6: Final answer
    x = 4,340.00

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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.