Home / 3,217.77-4,826.70-909.27

Finding the Fourth Proportional to 3,217.77, 4,826.70 and 909.27

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Solution

The fourth proportional to 3,217.77, 4,826.70 and 909.27 is: 1,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.77 : 4,826.70 = 909.27 : x
  2. Step 2: Convert to fraction form
    3,217.77/4,826.70 = 909.27/x
  3. Step 3: Cross multiply
    3,217.77x = 4,826.70 × 909.27
  4. Step 4: Simplify right side
    3,217.77x = 4,388,773.51
  5. Step 5: Solve for x
    x = 4,388,773.51/3,217.77
  6. Step 6: Final answer
    x = 1,363.92

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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.