Home / 4,164.36-6,246.54-1,390.52

Finding the Fourth Proportional to 4,164.36, 6,246.54 and 1,390.52

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Solution

The fourth proportional to 4,164.36, 6,246.54 and 1,390.52 is: 2,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.36 : 6,246.54 = 1,390.52 : x
  2. Step 2: Convert to fraction form
    4,164.36/6,246.54 = 1,390.52/x
  3. Step 3: Cross multiply
    4,164.36x = 6,246.54 × 1,390.52
  4. Step 4: Simplify right side
    4,164.36x = 8,685,938.80
  5. Step 5: Solve for x
    x = 8,685,938.80/4,164.36
  6. Step 6: Final answer
    x = 2,085.78

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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.