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Finding the Fourth Proportional to 7,597.65, 11,392.75 and 2,666.57

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Solution

The fourth proportional to 7,597.65, 11,392.75 and 2,666.57 is: 3,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,597.65 : 11,392.75 = 2,666.57 : x
  2. Step 2: Convert to fraction form
    7,597.65/11,392.75 = 2,666.57/x
  3. Step 3: Cross multiply
    7,597.65x = 11,392.75 × 2,666.57
  4. Step 4: Simplify right side
    7,597.65x = 30,379,575.82
  5. Step 5: Solve for x
    x = 30,379,575.82/7,597.65
  6. Step 6: Final answer
    x = 3,998.55

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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.