Home / 4,183.60-6,275.80-1,261.60

Finding the Fourth Proportional to 4,183.60, 6,275.80 and 1,261.60

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Solution

The fourth proportional to 4,183.60, 6,275.80 and 1,261.60 is: 1,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.60 : 6,275.80 = 1,261.60 : x
  2. Step 2: Convert to fraction form
    4,183.60/6,275.80 = 1,261.60/x
  3. Step 3: Cross multiply
    4,183.60x = 6,275.80 × 1,261.60
  4. Step 4: Simplify right side
    4,183.60x = 7,917,549.28
  5. Step 5: Solve for x
    x = 7,917,549.28/4,183.60
  6. Step 6: Final answer
    x = 1,892.52

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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.