Home / 4,292.64-6,441.84-1,519.30

Finding the Fourth Proportional to 4,292.64, 6,441.84 and 1,519.30

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Solution

The fourth proportional to 4,292.64, 6,441.84 and 1,519.30 is: 2,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.64 : 6,441.84 = 1,519.30 : x
  2. Step 2: Convert to fraction form
    4,292.64/6,441.84 = 1,519.30/x
  3. Step 3: Cross multiply
    4,292.64x = 6,441.84 × 1,519.30
  4. Step 4: Simplify right side
    4,292.64x = 9,787,087.51
  5. Step 5: Solve for x
    x = 9,787,087.51/4,292.64
  6. Step 6: Final answer
    x = 2,279.97

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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.