Home / 7,474.07-11,211.64-1,927.45

Finding the Fourth Proportional to 7,474.07, 11,211.64 and 1,927.45

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Solution

The fourth proportional to 7,474.07, 11,211.64 and 1,927.45 is: 2,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.07 : 11,211.64 = 1,927.45 : x
  2. Step 2: Convert to fraction form
    7,474.07/11,211.64 = 1,927.45/x
  3. Step 3: Cross multiply
    7,474.07x = 11,211.64 × 1,927.45
  4. Step 4: Simplify right side
    7,474.07x = 21,609,827.07
  5. Step 5: Solve for x
    x = 21,609,827.07/7,474.07
  6. Step 6: Final answer
    x = 2,891.31

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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.