Home / 4,140.96-6,209.82-1,218.48

Finding the Fourth Proportional to 4,140.96, 6,209.82 and 1,218.48

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Solution

The fourth proportional to 4,140.96, 6,209.82 and 1,218.48 is: 1,827.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.96 : 6,209.82 = 1,218.48 : x
  2. Step 2: Convert to fraction form
    4,140.96/6,209.82 = 1,218.48/x
  3. Step 3: Cross multiply
    4,140.96x = 6,209.82 × 1,218.48
  4. Step 4: Simplify right side
    4,140.96x = 7,566,541.47
  5. Step 5: Solve for x
    x = 7,566,541.47/4,140.96
  6. Step 6: Final answer
    x = 1,827.24

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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.