Home / 8,545.81-12,817.69-2,305.34

Finding the Fourth Proportional to 8,545.81, 12,817.69 and 2,305.34

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Solution

The fourth proportional to 8,545.81, 12,817.69 and 2,305.34 is: 3,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.81 : 12,817.69 = 2,305.34 : x
  2. Step 2: Convert to fraction form
    8,545.81/12,817.69 = 2,305.34/x
  3. Step 3: Cross multiply
    8,545.81x = 12,817.69 × 2,305.34
  4. Step 4: Simplify right side
    8,545.81x = 29,549,121.94
  5. Step 5: Solve for x
    x = 29,549,121.94/8,545.81
  6. Step 6: Final answer
    x = 3,457.73

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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.