Home / 5,077.72-7,007.27-2,954.51

Finding the Fourth Proportional to 5,077.72, 7,007.27 and 2,954.51

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Solution

The fourth proportional to 5,077.72, 7,007.27 and 2,954.51 is: 4,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.72 : 7,007.27 = 2,954.51 : x
  2. Step 2: Convert to fraction form
    5,077.72/7,007.27 = 2,954.51/x
  3. Step 3: Cross multiply
    5,077.72x = 7,007.27 × 2,954.51
  4. Step 4: Simplify right side
    5,077.72x = 20,702,999.48
  5. Step 5: Solve for x
    x = 20,702,999.48/5,077.72
  6. Step 6: Final answer
    x = 4,077.23

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1.5x scale

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.