Home / 4,726.23-7,089.36-1,439.31

Finding the Fourth Proportional to 4,726.23, 7,089.36 and 1,439.31

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Solution

The fourth proportional to 4,726.23, 7,089.36 and 1,439.31 is: 2,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.23 : 7,089.36 = 1,439.31 : x
  2. Step 2: Convert to fraction form
    4,726.23/7,089.36 = 1,439.31/x
  3. Step 3: Cross multiply
    4,726.23x = 7,089.36 × 1,439.31
  4. Step 4: Simplify right side
    4,726.23x = 10,203,786.74
  5. Step 5: Solve for x
    x = 10,203,786.74/4,726.23
  6. Step 6: Final answer
    x = 2,158.97

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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.