Home / 4,180.38-6,269.36-1,406.34

Finding the Fourth Proportional to 4,180.38, 6,269.36 and 1,406.34

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Solution

The fourth proportional to 4,180.38, 6,269.36 and 1,406.34 is: 2,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.38 : 6,269.36 = 1,406.34 : x
  2. Step 2: Convert to fraction form
    4,180.38/6,269.36 = 1,406.34/x
  3. Step 3: Cross multiply
    4,180.38x = 6,269.36 × 1,406.34
  4. Step 4: Simplify right side
    4,180.38x = 8,816,851.74
  5. Step 5: Solve for x
    x = 8,816,851.74/4,180.38
  6. Step 6: Final answer
    x = 2,109.10

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1.5x scale

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.