Home / 4,095.42-5,653.44-2,840.64

Finding the Fourth Proportional to 4,095.42, 5,653.44 and 2,840.64

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Solution

The fourth proportional to 4,095.42, 5,653.44 and 2,840.64 is: 3,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.42 : 5,653.44 = 2,840.64 : x
  2. Step 2: Convert to fraction form
    4,095.42/5,653.44 = 2,840.64/x
  3. Step 3: Cross multiply
    4,095.42x = 5,653.44 × 2,840.64
  4. Step 4: Simplify right side
    4,095.42x = 16,059,387.80
  5. Step 5: Solve for x
    x = 16,059,387.80/4,095.42
  6. Step 6: Final answer
    x = 3,921.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.