Home / 7,589.62-11,387.95-2,908.07

Finding the Fourth Proportional to 7,589.62, 11,387.95 and 2,908.07

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Solution

The fourth proportional to 7,589.62, 11,387.95 and 2,908.07 is: 4,363.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.62 : 11,387.95 = 2,908.07 : x
  2. Step 2: Convert to fraction form
    7,589.62/11,387.95 = 2,908.07/x
  3. Step 3: Cross multiply
    7,589.62x = 11,387.95 × 2,908.07
  4. Step 4: Simplify right side
    7,589.62x = 33,116,891.55
  5. Step 5: Solve for x
    x = 33,116,891.55/7,589.62
  6. Step 6: Final answer
    x = 4,363.45

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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.