Home / 7,645.86-11,456.46-4,717.98

Finding the Fourth Proportional to 7,645.86, 11,456.46 and 4,717.98

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Solution

The fourth proportional to 7,645.86, 11,456.46 and 4,717.98 is: 7,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.86 : 11,456.46 = 4,717.98 : x
  2. Step 2: Convert to fraction form
    7,645.86/11,456.46 = 4,717.98/x
  3. Step 3: Cross multiply
    7,645.86x = 11,456.46 × 4,717.98
  4. Step 4: Simplify right side
    7,645.86x = 54,051,349.15
  5. Step 5: Solve for x
    x = 54,051,349.15/7,645.86
  6. Step 6: Final answer
    x = 7,069.36

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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.