Home / 4,842.70-7,265.25-1,379.95

Finding the Fourth Proportional to 4,842.70, 7,265.25 and 1,379.95

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Solution

The fourth proportional to 4,842.70, 7,265.25 and 1,379.95 is: 2,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.70 : 7,265.25 = 1,379.95 : x
  2. Step 2: Convert to fraction form
    4,842.70/7,265.25 = 1,379.95/x
  3. Step 3: Cross multiply
    4,842.70x = 7,265.25 × 1,379.95
  4. Step 4: Simplify right side
    4,842.70x = 10,025,681.74
  5. Step 5: Solve for x
    x = 10,025,681.74/4,842.70
  6. Step 6: Final answer
    x = 2,070.27

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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.