Home / 4,687.56-7,032.06-1,400.28

Finding the Fourth Proportional to 4,687.56, 7,032.06 and 1,400.28

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Solution

The fourth proportional to 4,687.56, 7,032.06 and 1,400.28 is: 2,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.56 : 7,032.06 = 1,400.28 : x
  2. Step 2: Convert to fraction form
    4,687.56/7,032.06 = 1,400.28/x
  3. Step 3: Cross multiply
    4,687.56x = 7,032.06 × 1,400.28
  4. Step 4: Simplify right side
    4,687.56x = 9,846,852.98
  5. Step 5: Solve for x
    x = 9,846,852.98/4,687.56
  6. Step 6: Final answer
    x = 2,100.64

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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.