Home / 7,971.04-11,951.43-3,810.95

Finding the Fourth Proportional to 7,971.04, 11,951.43 and 3,810.95

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Solution

The fourth proportional to 7,971.04, 11,951.43 and 3,810.95 is: 5,713.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.04 : 11,951.43 = 3,810.95 : x
  2. Step 2: Convert to fraction form
    7,971.04/11,951.43 = 3,810.95/x
  3. Step 3: Cross multiply
    7,971.04x = 11,951.43 × 3,810.95
  4. Step 4: Simplify right side
    7,971.04x = 45,546,332.04
  5. Step 5: Solve for x
    x = 45,546,332.04/7,971.04
  6. Step 6: Final answer
    x = 5,713.98

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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.