Home / 4,206.15-6,305.99-1,431.09

Finding the Fourth Proportional to 4,206.15, 6,305.99 and 1,431.09

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Solution

The fourth proportional to 4,206.15, 6,305.99 and 1,431.09 is: 2,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,206.15 : 6,305.99 = 1,431.09 : x
  2. Step 2: Convert to fraction form
    4,206.15/6,305.99 = 1,431.09/x
  3. Step 3: Cross multiply
    4,206.15x = 6,305.99 × 1,431.09
  4. Step 4: Simplify right side
    4,206.15x = 9,024,432.07
  5. Step 5: Solve for x
    x = 9,024,432.07/4,206.15
  6. Step 6: Final answer
    x = 2,145.53

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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.