Home / 4,740.48-7,124.88-3,924

Finding the Fourth Proportional to 4,740.48, 7,124.88 and 3,924

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Solution

The fourth proportional to 4,740.48, 7,124.88 and 3,924 is: 5,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.48 : 7,124.88 = 3,924 : x
  2. Step 2: Convert to fraction form
    4,740.48/7,124.88 = 3,924/x
  3. Step 3: Cross multiply
    4,740.48x = 7,124.88 × 3,924
  4. Step 4: Simplify right side
    4,740.48x = 27,958,029.12
  5. Step 5: Solve for x
    x = 27,958,029.12/4,740.48
  6. Step 6: Final answer
    x = 5,897.72

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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.