Home / 4,022.88-6,035.03-1,390.65

Finding the Fourth Proportional to 4,022.88, 6,035.03 and 1,390.65

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Solution

The fourth proportional to 4,022.88, 6,035.03 and 1,390.65 is: 2,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.88 : 6,035.03 = 1,390.65 : x
  2. Step 2: Convert to fraction form
    4,022.88/6,035.03 = 1,390.65/x
  3. Step 3: Cross multiply
    4,022.88x = 6,035.03 × 1,390.65
  4. Step 4: Simplify right side
    4,022.88x = 8,392,607.52
  5. Step 5: Solve for x
    x = 8,392,607.52/4,022.88
  6. Step 6: Final answer
    x = 2,086.22

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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.