Home / 4,090.64-5,639.88-2,846.48

Finding the Fourth Proportional to 4,090.64, 5,639.88 and 2,846.48

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Solution

The fourth proportional to 4,090.64, 5,639.88 and 2,846.48 is: 3,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.64 : 5,639.88 = 2,846.48 : x
  2. Step 2: Convert to fraction form
    4,090.64/5,639.88 = 2,846.48/x
  3. Step 3: Cross multiply
    4,090.64x = 5,639.88 × 2,846.48
  4. Step 4: Simplify right side
    4,090.64x = 16,053,805.62
  5. Step 5: Solve for x
    x = 16,053,805.62/4,090.64
  6. Step 6: Final answer
    x = 3,924.52

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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.