Home / 4,180.28-6,270.53-1,218.60

Finding the Fourth Proportional to 4,180.28, 6,270.53 and 1,218.60

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Solution

The fourth proportional to 4,180.28, 6,270.53 and 1,218.60 is: 1,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.28 : 6,270.53 = 1,218.60 : x
  2. Step 2: Convert to fraction form
    4,180.28/6,270.53 = 1,218.60/x
  3. Step 3: Cross multiply
    4,180.28x = 6,270.53 × 1,218.60
  4. Step 4: Simplify right side
    4,180.28x = 7,641,267.86
  5. Step 5: Solve for x
    x = 7,641,267.86/4,180.28
  6. Step 6: Final answer
    x = 1,827.93

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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.