Home / 5,168.31-7,127.60-4,373.36

Finding the Fourth Proportional to 5,168.31, 7,127.60 and 4,373.36

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Solution

The fourth proportional to 5,168.31, 7,127.60 and 4,373.36 is: 6,031.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.31 : 7,127.60 = 4,373.36 : x
  2. Step 2: Convert to fraction form
    5,168.31/7,127.60 = 4,373.36/x
  3. Step 3: Cross multiply
    5,168.31x = 7,127.60 × 4,373.36
  4. Step 4: Simplify right side
    5,168.31x = 31,171,529.96
  5. Step 5: Solve for x
    x = 31,171,529.96/5,168.31
  6. Step 6: Final answer
    x = 6,031.29

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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.