Home / 6,863.32-9,471.55-4,212.19

Finding the Fourth Proportional to 6,863.32, 9,471.55 and 4,212.19

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Solution

The fourth proportional to 6,863.32, 9,471.55 and 4,212.19 is: 5,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,863.32 : 9,471.55 = 4,212.19 : x
  2. Step 2: Convert to fraction form
    6,863.32/9,471.55 = 4,212.19/x
  3. Step 3: Cross multiply
    6,863.32x = 9,471.55 × 4,212.19
  4. Step 4: Simplify right side
    6,863.32x = 39,895,920.84
  5. Step 5: Solve for x
    x = 39,895,920.84/6,863.32
  6. Step 6: Final answer
    x = 5,812.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.