Home / 7,730.78-11,596.59-2,184.56

Finding the Fourth Proportional to 7,730.78, 11,596.59 and 2,184.56

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Solution

The fourth proportional to 7,730.78, 11,596.59 and 2,184.56 is: 3,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.78 : 11,596.59 = 2,184.56 : x
  2. Step 2: Convert to fraction form
    7,730.78/11,596.59 = 2,184.56/x
  3. Step 3: Cross multiply
    7,730.78x = 11,596.59 × 2,184.56
  4. Step 4: Simplify right side
    7,730.78x = 25,333,446.65
  5. Step 5: Solve for x
    x = 25,333,446.65/7,730.78
  6. Step 6: Final answer
    x = 3,276.96

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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.