Home / 5,813.60-8,020.77-3,545.73

Finding the Fourth Proportional to 5,813.60, 8,020.77 and 3,545.73

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Solution

The fourth proportional to 5,813.60, 8,020.77 and 3,545.73 is: 4,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.60 : 8,020.77 = 3,545.73 : x
  2. Step 2: Convert to fraction form
    5,813.60/8,020.77 = 3,545.73/x
  3. Step 3: Cross multiply
    5,813.60x = 8,020.77 × 3,545.73
  4. Step 4: Simplify right side
    5,813.60x = 28,439,484.81
  5. Step 5: Solve for x
    x = 28,439,484.81/5,813.60
  6. Step 6: Final answer
    x = 4,891.89

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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.