Home / 5,077.13-7,007.31-2,953.90

Finding the Fourth Proportional to 5,077.13, 7,007.31 and 2,953.90

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Solution

The fourth proportional to 5,077.13, 7,007.31 and 2,953.90 is: 4,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.13 : 7,007.31 = 2,953.90 : x
  2. Step 2: Convert to fraction form
    5,077.13/7,007.31 = 2,953.90/x
  3. Step 3: Cross multiply
    5,077.13x = 7,007.31 × 2,953.90
  4. Step 4: Simplify right side
    5,077.13x = 20,698,893.01
  5. Step 5: Solve for x
    x = 20,698,893.01/5,077.13
  6. Step 6: Final answer
    x = 4,076.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.