Home / 4,545.60-6,808.68-2,808.96

Finding the Fourth Proportional to 4,545.60, 6,808.68 and 2,808.96

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Solution

The fourth proportional to 4,545.60, 6,808.68 and 2,808.96 is: 4,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,545.60 : 6,808.68 = 2,808.96 : x
  2. Step 2: Convert to fraction form
    4,545.60/6,808.68 = 2,808.96/x
  3. Step 3: Cross multiply
    4,545.60x = 6,808.68 × 2,808.96
  4. Step 4: Simplify right side
    4,545.60x = 19,125,309.77
  5. Step 5: Solve for x
    x = 19,125,309.77/4,545.60
  6. Step 6: Final answer
    x = 4,207.43

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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.