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Finding the Fourth Proportional to 5,775.73, 7,920.79 and 5,536.07

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Solution

The fourth proportional to 5,775.73, 7,920.79 and 5,536.07 is: 7,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.73 : 7,920.79 = 5,536.07 : x
  2. Step 2: Convert to fraction form
    5,775.73/7,920.79 = 5,536.07/x
  3. Step 3: Cross multiply
    5,775.73x = 7,920.79 × 5,536.07
  4. Step 4: Simplify right side
    5,775.73x = 43,850,024.15
  5. Step 5: Solve for x
    x = 43,850,024.15/5,775.73
  6. Step 6: Final answer
    x = 7,592.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.