Home / 4,891.10-7,335.30-1,969.70

Finding the Fourth Proportional to 4,891.10, 7,335.30 and 1,969.70

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Solution

The fourth proportional to 4,891.10, 7,335.30 and 1,969.70 is: 2,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.10 : 7,335.30 = 1,969.70 : x
  2. Step 2: Convert to fraction form
    4,891.10/7,335.30 = 1,969.70/x
  3. Step 3: Cross multiply
    4,891.10x = 7,335.30 × 1,969.70
  4. Step 4: Simplify right side
    4,891.10x = 14,448,340.41
  5. Step 5: Solve for x
    x = 14,448,340.41/4,891.10
  6. Step 6: Final answer
    x = 2,954.01

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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.