Home / 4,860.65-7,294.52-1,939.79

Finding the Fourth Proportional to 4,860.65, 7,294.52 and 1,939.79

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Solution

The fourth proportional to 4,860.65, 7,294.52 and 1,939.79 is: 2,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.65 : 7,294.52 = 1,939.79 : x
  2. Step 2: Convert to fraction form
    4,860.65/7,294.52 = 1,939.79/x
  3. Step 3: Cross multiply
    4,860.65x = 7,294.52 × 1,939.79
  4. Step 4: Simplify right side
    4,860.65x = 14,149,836.95
  5. Step 5: Solve for x
    x = 14,149,836.95/4,860.65
  6. Step 6: Final answer
    x = 2,911.10

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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.