Home / 8,545.48-12,809.40-3,616.36

Finding the Fourth Proportional to 8,545.48, 12,809.40 and 3,616.36

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Solution

The fourth proportional to 8,545.48, 12,809.40 and 3,616.36 is: 5,420.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.48 : 12,809.40 = 3,616.36 : x
  2. Step 2: Convert to fraction form
    8,545.48/12,809.40 = 3,616.36/x
  3. Step 3: Cross multiply
    8,545.48x = 12,809.40 × 3,616.36
  4. Step 4: Simplify right side
    8,545.48x = 46,323,401.78
  5. Step 5: Solve for x
    x = 46,323,401.78/8,545.48
  6. Step 6: Final answer
    x = 5,420.81

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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.