Home / 4,738.10-7,107.17-1,618.46

Finding the Fourth Proportional to 4,738.10, 7,107.17 and 1,618.46

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Solution

The fourth proportional to 4,738.10, 7,107.17 and 1,618.46 is: 2,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.10 : 7,107.17 = 1,618.46 : x
  2. Step 2: Convert to fraction form
    4,738.10/7,107.17 = 1,618.46/x
  3. Step 3: Cross multiply
    4,738.10x = 7,107.17 × 1,618.46
  4. Step 4: Simplify right side
    4,738.10x = 11,502,670.36
  5. Step 5: Solve for x
    x = 11,502,670.36/4,738.10
  6. Step 6: Final answer
    x = 2,427.70

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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.