Home / 4,429.34-6,643.97-1,142.41

Finding the Fourth Proportional to 4,429.34, 6,643.97 and 1,142.41

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Solution

The fourth proportional to 4,429.34, 6,643.97 and 1,142.41 is: 1,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.34 : 6,643.97 = 1,142.41 : x
  2. Step 2: Convert to fraction form
    4,429.34/6,643.97 = 1,142.41/x
  3. Step 3: Cross multiply
    4,429.34x = 6,643.97 × 1,142.41
  4. Step 4: Simplify right side
    4,429.34x = 7,590,137.77
  5. Step 5: Solve for x
    x = 7,590,137.77/4,429.34
  6. Step 6: Final answer
    x = 1,713.60

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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.