Home / 7,217.75-10,826.61-3,923.91

Finding the Fourth Proportional to 7,217.75, 10,826.61 and 3,923.91

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Solution

The fourth proportional to 7,217.75, 10,826.61 and 3,923.91 is: 5,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.75 : 10,826.61 = 3,923.91 : x
  2. Step 2: Convert to fraction form
    7,217.75/10,826.61 = 3,923.91/x
  3. Step 3: Cross multiply
    7,217.75x = 10,826.61 × 3,923.91
  4. Step 4: Simplify right side
    7,217.75x = 42,482,643.25
  5. Step 5: Solve for x
    x = 42,482,643.25/7,217.75
  6. Step 6: Final answer
    x = 5,885.86

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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.