Home / 5,256.14-7,879.32-1,971.41

Finding the Fourth Proportional to 5,256.14, 7,879.32 and 1,971.41

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Solution

The fourth proportional to 5,256.14, 7,879.32 and 1,971.41 is: 2,955.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.14 : 7,879.32 = 1,971.41 : x
  2. Step 2: Convert to fraction form
    5,256.14/7,879.32 = 1,971.41/x
  3. Step 3: Cross multiply
    5,256.14x = 7,879.32 × 1,971.41
  4. Step 4: Simplify right side
    5,256.14x = 15,533,330.84
  5. Step 5: Solve for x
    x = 15,533,330.84/5,256.14
  6. Step 6: Final answer
    x = 2,955.28

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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.