Home / 4,752.80-7,137.30-3,116.60

Finding the Fourth Proportional to 4,752.80, 7,137.30 and 3,116.60

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Solution

The fourth proportional to 4,752.80, 7,137.30 and 3,116.60 is: 4,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.80 : 7,137.30 = 3,116.60 : x
  2. Step 2: Convert to fraction form
    4,752.80/7,137.30 = 3,116.60/x
  3. Step 3: Cross multiply
    4,752.80x = 7,137.30 × 3,116.60
  4. Step 4: Simplify right side
    4,752.80x = 22,244,109.18
  5. Step 5: Solve for x
    x = 22,244,109.18/4,752.80
  6. Step 6: Final answer
    x = 4,680.21

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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.