Home / 4,390.80-6,579.42-2,924.64

Finding the Fourth Proportional to 4,390.80, 6,579.42 and 2,924.64

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Solution

The fourth proportional to 4,390.80, 6,579.42 and 2,924.64 is: 4,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.80 : 6,579.42 = 2,924.64 : x
  2. Step 2: Convert to fraction form
    4,390.80/6,579.42 = 2,924.64/x
  3. Step 3: Cross multiply
    4,390.80x = 6,579.42 × 2,924.64
  4. Step 4: Simplify right side
    4,390.80x = 19,242,434.91
  5. Step 5: Solve for x
    x = 19,242,434.91/4,390.80
  6. Step 6: Final answer
    x = 4,382.44

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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.