Home / 4,726.06-7,089.90-1,438.36

Finding the Fourth Proportional to 4,726.06, 7,089.90 and 1,438.36

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Solution

The fourth proportional to 4,726.06, 7,089.90 and 1,438.36 is: 2,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.06 : 7,089.90 = 1,438.36 : x
  2. Step 2: Convert to fraction form
    4,726.06/7,089.90 = 1,438.36/x
  3. Step 3: Cross multiply
    4,726.06x = 7,089.90 × 1,438.36
  4. Step 4: Simplify right side
    4,726.06x = 10,197,828.56
  5. Step 5: Solve for x
    x = 10,197,828.56/4,726.06
  6. Step 6: Final answer
    x = 2,157.79

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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.