Home / 4,575.12-6,863.81-2,111.65

Finding the Fourth Proportional to 4,575.12, 6,863.81 and 2,111.65

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Solution

The fourth proportional to 4,575.12, 6,863.81 and 2,111.65 is: 3,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.12 : 6,863.81 = 2,111.65 : x
  2. Step 2: Convert to fraction form
    4,575.12/6,863.81 = 2,111.65/x
  3. Step 3: Cross multiply
    4,575.12x = 6,863.81 × 2,111.65
  4. Step 4: Simplify right side
    4,575.12x = 14,493,964.39
  5. Step 5: Solve for x
    x = 14,493,964.39/4,575.12
  6. Step 6: Final answer
    x = 3,168.00

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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.