Home / 4,431.93-6,642.12-2,239.47

Finding the Fourth Proportional to 4,431.93, 6,642.12 and 2,239.47

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Solution

The fourth proportional to 4,431.93, 6,642.12 and 2,239.47 is: 3,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.93 : 6,642.12 = 2,239.47 : x
  2. Step 2: Convert to fraction form
    4,431.93/6,642.12 = 2,239.47/x
  3. Step 3: Cross multiply
    4,431.93x = 6,642.12 × 2,239.47
  4. Step 4: Simplify right side
    4,431.93x = 14,874,828.48
  5. Step 5: Solve for x
    x = 14,874,828.48/4,431.93
  6. Step 6: Final answer
    x = 3,356.29

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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.