Home / 4,747.07-7,113.29-1,971.41

Finding the Fourth Proportional to 4,747.07, 7,113.29 and 1,971.41

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Solution

The fourth proportional to 4,747.07, 7,113.29 and 1,971.41 is: 2,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.07 : 7,113.29 = 1,971.41 : x
  2. Step 2: Convert to fraction form
    4,747.07/7,113.29 = 1,971.41/x
  3. Step 3: Cross multiply
    4,747.07x = 7,113.29 × 1,971.41
  4. Step 4: Simplify right side
    4,747.07x = 14,023,165.62
  5. Step 5: Solve for x
    x = 14,023,165.62/4,747.07
  6. Step 6: Final answer
    x = 2,954.07

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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.