Home / 7,521.98-11,282.83-2,591.51

Finding the Fourth Proportional to 7,521.98, 11,282.83 and 2,591.51

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Solution

The fourth proportional to 7,521.98, 11,282.83 and 2,591.51 is: 3,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521.98 : 11,282.83 = 2,591.51 : x
  2. Step 2: Convert to fraction form
    7,521.98/11,282.83 = 2,591.51/x
  3. Step 3: Cross multiply
    7,521.98x = 11,282.83 × 2,591.51
  4. Step 4: Simplify right side
    7,521.98x = 29,239,553.82
  5. Step 5: Solve for x
    x = 29,239,553.82/7,521.98
  6. Step 6: Final answer
    x = 3,887.22

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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.