Home / 4,114.72-6,172.77-1,340.60

Finding the Fourth Proportional to 4,114.72, 6,172.77 and 1,340.60

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Solution

The fourth proportional to 4,114.72, 6,172.77 and 1,340.60 is: 2,011.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.72 : 6,172.77 = 1,340.60 : x
  2. Step 2: Convert to fraction form
    4,114.72/6,172.77 = 1,340.60/x
  3. Step 3: Cross multiply
    4,114.72x = 6,172.77 × 1,340.60
  4. Step 4: Simplify right side
    4,114.72x = 8,275,215.46
  5. Step 5: Solve for x
    x = 8,275,215.46/4,114.72
  6. Step 6: Final answer
    x = 2,011.13

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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.