Home / 4,712.40-7,063.62-3,069.72

Finding the Fourth Proportional to 4,712.40, 7,063.62 and 3,069.72

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Solution

The fourth proportional to 4,712.40, 7,063.62 and 3,069.72 is: 4,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.40 : 7,063.62 = 3,069.72 : x
  2. Step 2: Convert to fraction form
    4,712.40/7,063.62 = 3,069.72/x
  3. Step 3: Cross multiply
    4,712.40x = 7,063.62 × 3,069.72
  4. Step 4: Simplify right side
    4,712.40x = 21,683,335.59
  5. Step 5: Solve for x
    x = 21,683,335.59/4,712.40
  6. Step 6: Final answer
    x = 4,601.34

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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.