Home / 5,551.87-8,332.22-2,920.91

Finding the Fourth Proportional to 5,551.87, 8,332.22 and 2,920.91

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Solution

The fourth proportional to 5,551.87, 8,332.22 and 2,920.91 is: 4,383.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.87 : 8,332.22 = 2,920.91 : x
  2. Step 2: Convert to fraction form
    5,551.87/8,332.22 = 2,920.91/x
  3. Step 3: Cross multiply
    5,551.87x = 8,332.22 × 2,920.91
  4. Step 4: Simplify right side
    5,551.87x = 24,337,660.80
  5. Step 5: Solve for x
    x = 24,337,660.80/5,551.87
  6. Step 6: Final answer
    x = 4,383.69

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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.