Home / 5,100.32-7,038.20-3,004.56

Finding the Fourth Proportional to 5,100.32, 7,038.20 and 3,004.56

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Solution

The fourth proportional to 5,100.32, 7,038.20 and 3,004.56 is: 4,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.32 : 7,038.20 = 3,004.56 : x
  2. Step 2: Convert to fraction form
    5,100.32/7,038.20 = 3,004.56/x
  3. Step 3: Cross multiply
    5,100.32x = 7,038.20 × 3,004.56
  4. Step 4: Simplify right side
    5,100.32x = 21,146,694.19
  5. Step 5: Solve for x
    x = 21,146,694.19/5,100.32
  6. Step 6: Final answer
    x = 4,146.15

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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.